Home / 13,328.99-19,993.58-5,010.89

Finding the Fourth Proportional to 13,328.99, 19,993.58 and 5,010.89

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Solution

The fourth proportional to 13,328.99, 19,993.58 and 5,010.89 is: 7,516.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.99 : 19,993.58 = 5,010.89 : x
  2. Step 2: Convert to fraction form
    13,328.99/19,993.58 = 5,010.89/x
  3. Step 3: Cross multiply
    13,328.99x = 19,993.58 × 5,010.89
  4. Step 4: Simplify right side
    13,328.99x = 100,185,505.06
  5. Step 5: Solve for x
    x = 100,185,505.06/13,328.99
  6. Step 6: Final answer
    x = 7,516.36

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.