Home / 16,691.10-25,018.44-10,115.52

Finding the Fourth Proportional to 16,691.10, 25,018.44 and 10,115.52

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Solution

The fourth proportional to 16,691.10, 25,018.44 and 10,115.52 is: 15,162.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,691.10 : 25,018.44 = 10,115.52 : x
  2. Step 2: Convert to fraction form
    16,691.10/25,018.44 = 10,115.52/x
  3. Step 3: Cross multiply
    16,691.10x = 25,018.44 × 10,115.52
  4. Step 4: Simplify right side
    16,691.10x = 253,074,530.19
  5. Step 5: Solve for x
    x = 253,074,530.19/16,691.10
  6. Step 6: Final answer
    x = 15,162.24

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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.