Home / 13,993.86-19,311.46-7,706.23

Finding the Fourth Proportional to 13,993.86, 19,311.46 and 7,706.23

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Solution

The fourth proportional to 13,993.86, 19,311.46 and 7,706.23 is: 10,634.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,993.86 : 19,311.46 = 7,706.23 : x
  2. Step 2: Convert to fraction form
    13,993.86/19,311.46 = 7,706.23/x
  3. Step 3: Cross multiply
    13,993.86x = 19,311.46 × 7,706.23
  4. Step 4: Simplify right side
    13,993.86x = 148,818,552.40
  5. Step 5: Solve for x
    x = 148,818,552.40/13,993.86
  6. Step 6: Final answer
    x = 10,634.56

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Half scale
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Double scale
Find fourth proportional to 13,994.86, 19,312.84 and 7,707.23
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.