Home / 16,306.12-24,431.28-8,915.86

Finding the Fourth Proportional to 16,306.12, 24,431.28 and 8,915.86

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Solution

The fourth proportional to 16,306.12, 24,431.28 and 8,915.86 is: 13,358.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,306.12 : 24,431.28 = 8,915.86 : x
  2. Step 2: Convert to fraction form
    16,306.12/24,431.28 = 8,915.86/x
  3. Step 3: Cross multiply
    16,306.12x = 24,431.28 × 8,915.86
  4. Step 4: Simplify right side
    16,306.12x = 217,825,872.10
  5. Step 5: Solve for x
    x = 217,825,872.10/16,306.12
  6. Step 6: Final answer
    x = 13,358.53

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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.