Home / 25,358.10-38,037.15-11,318.10

Finding the Fourth Proportional to 25,358.10, 38,037.15 and 11,318.10

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Solution

The fourth proportional to 25,358.10, 38,037.15 and 11,318.10 is: 16,977.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,358.10 : 38,037.15 = 11,318.10 : x
  2. Step 2: Convert to fraction form
    25,358.10/38,037.15 = 11,318.10/x
  3. Step 3: Cross multiply
    25,358.10x = 38,037.15 × 11,318.10
  4. Step 4: Simplify right side
    25,358.10x = 430,508,267.42
  5. Step 5: Solve for x
    x = 430,508,267.42/25,358.10
  6. Step 6: Final answer
    x = 16,977.15

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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.