Home / 14,542.70-20,065.77-8,572.19

Finding the Fourth Proportional to 14,542.70, 20,065.77 and 8,572.19

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Solution

The fourth proportional to 14,542.70, 20,065.77 and 8,572.19 is: 11,827.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,542.70 : 20,065.77 = 8,572.19 : x
  2. Step 2: Convert to fraction form
    14,542.70/20,065.77 = 8,572.19/x
  3. Step 3: Cross multiply
    14,542.70x = 20,065.77 × 8,572.19
  4. Step 4: Simplify right side
    14,542.70x = 172,007,492.61
  5. Step 5: Solve for x
    x = 172,007,492.61/14,542.70
  6. Step 6: Final answer
    x = 11,827.76

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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.