Home / 18,065.13-24,931.10-10,108.10

Finding the Fourth Proportional to 18,065.13, 24,931.10 and 10,108.10

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Solution

The fourth proportional to 18,065.13, 24,931.10 and 10,108.10 is: 13,949.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065.13 : 24,931.10 = 10,108.10 : x
  2. Step 2: Convert to fraction form
    18,065.13/24,931.10 = 10,108.10/x
  3. Step 3: Cross multiply
    18,065.13x = 24,931.10 × 10,108.10
  4. Step 4: Simplify right side
    18,065.13x = 252,005,952.52
  5. Step 5: Solve for x
    x = 252,005,952.52/18,065.13
  6. Step 6: Final answer
    x = 13,949.86

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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.