Home / 13,993.56-19,310.42-7,704.76

Finding the Fourth Proportional to 13,993.56, 19,310.42 and 7,704.76

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Solution

The fourth proportional to 13,993.56, 19,310.42 and 7,704.76 is: 10,632.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,993.56 : 19,310.42 = 7,704.76 : x
  2. Step 2: Convert to fraction form
    13,993.56/19,310.42 = 7,704.76/x
  3. Step 3: Cross multiply
    13,993.56x = 19,310.42 × 7,704.76
  4. Step 4: Simplify right side
    13,993.56x = 148,782,151.60
  5. Step 5: Solve for x
    x = 148,782,151.60/13,993.56
  6. Step 6: Final answer
    x = 10,632.19

Related Problems

Find fourth proportional to 6,996.78, 9,655.21 and 3,852.38
Half scale
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Double scale
Find fourth proportional to 13,994.56, 19,311.80 and 7,705.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.