Home / 16,287.20-22,466.34-14,392.71

Finding the Fourth Proportional to 16,287.20, 22,466.34 and 14,392.71

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Solution

The fourth proportional to 16,287.20, 22,466.34 and 14,392.71 is: 19,853.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,287.20 : 22,466.34 = 14,392.71 : x
  2. Step 2: Convert to fraction form
    16,287.20/22,466.34 = 14,392.71/x
  3. Step 3: Cross multiply
    16,287.20x = 22,466.34 × 14,392.71
  4. Step 4: Simplify right side
    16,287.20x = 323,351,516.38
  5. Step 5: Solve for x
    x = 323,351,516.38/16,287.20
  6. Step 6: Final answer
    x = 19,853.11

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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.