Home / 18,385.79-27,581.67-16,526.12

Finding the Fourth Proportional to 18,385.79, 27,581.67 and 16,526.12

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Solution

The fourth proportional to 18,385.79, 27,581.67 and 16,526.12 is: 24,791.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385.79 : 27,581.67 = 16,526.12 : x
  2. Step 2: Convert to fraction form
    18,385.79/27,581.67 = 16,526.12/x
  3. Step 3: Cross multiply
    18,385.79x = 27,581.67 × 16,526.12
  4. Step 4: Simplify right side
    18,385.79x = 455,817,850.31
  5. Step 5: Solve for x
    x = 455,817,850.31/18,385.79
  6. Step 6: Final answer
    x = 24,791.86

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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.