Home / 15,999.19-23,998.91-10,487.43

Finding the Fourth Proportional to 15,999.19, 23,998.91 and 10,487.43

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Solution

The fourth proportional to 15,999.19, 23,998.91 and 10,487.43 is: 15,731.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.19 : 23,998.91 = 10,487.43 : x
  2. Step 2: Convert to fraction form
    15,999.19/23,998.91 = 10,487.43/x
  3. Step 3: Cross multiply
    15,999.19x = 23,998.91 × 10,487.43
  4. Step 4: Simplify right side
    15,999.19x = 251,686,836.26
  5. Step 5: Solve for x
    x = 251,686,836.26/15,999.19
  6. Step 6: Final answer
    x = 15,731.23

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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.