Home / 16,527.79-22,817.24-12,742.66

Finding the Fourth Proportional to 16,527.79, 22,817.24 and 12,742.66

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Solution

The fourth proportional to 16,527.79, 22,817.24 and 12,742.66 is: 17,591.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,527.79 : 22,817.24 = 12,742.66 : x
  2. Step 2: Convert to fraction form
    16,527.79/22,817.24 = 12,742.66/x
  3. Step 3: Cross multiply
    16,527.79x = 22,817.24 × 12,742.66
  4. Step 4: Simplify right side
    16,527.79x = 290,752,331.46
  5. Step 5: Solve for x
    x = 290,752,331.46/16,527.79
  6. Step 6: Final answer
    x = 17,591.72

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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.