Home / 16,445.24-22,711-10,479.60

Finding the Fourth Proportional to 16,445.24, 22,711 and 10,479.60

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Solution

The fourth proportional to 16,445.24, 22,711 and 10,479.60 is: 14,472.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,445.24 : 22,711 = 10,479.60 : x
  2. Step 2: Convert to fraction form
    16,445.24/22,711 = 10,479.60/x
  3. Step 3: Cross multiply
    16,445.24x = 22,711 × 10,479.60
  4. Step 4: Simplify right side
    16,445.24x = 238,002,195.60
  5. Step 5: Solve for x
    x = 238,002,195.60/16,445.24
  6. Step 6: Final answer
    x = 14,472.41

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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.