Home / 16,115.07-22,239.18-9,042.02

Finding the Fourth Proportional to 16,115.07, 22,239.18 and 9,042.02

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Solution

The fourth proportional to 16,115.07, 22,239.18 and 9,042.02 is: 12,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,115.07 : 22,239.18 = 9,042.02 : x
  2. Step 2: Convert to fraction form
    16,115.07/22,239.18 = 9,042.02/x
  3. Step 3: Cross multiply
    16,115.07x = 22,239.18 × 9,042.02
  4. Step 4: Simplify right side
    16,115.07x = 201,086,999.15
  5. Step 5: Solve for x
    x = 201,086,999.15/16,115.07
  6. Step 6: Final answer
    x = 12,478.20

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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.