Home / 16,515.10-24,845.55-15,479.92

Finding the Fourth Proportional to 16,515.10, 24,845.55 and 15,479.92

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Solution

The fourth proportional to 16,515.10, 24,845.55 and 15,479.92 is: 23,288.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,515.10 : 24,845.55 = 15,479.92 : x
  2. Step 2: Convert to fraction form
    16,515.10/24,845.55 = 15,479.92/x
  3. Step 3: Cross multiply
    16,515.10x = 24,845.55 × 15,479.92
  4. Step 4: Simplify right side
    16,515.10x = 384,607,126.36
  5. Step 5: Solve for x
    x = 384,607,126.36/16,515.10
  6. Step 6: Final answer
    x = 23,288.21

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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.