Home / 45,156.75-67,732.52-13,566.13

Finding the Fourth Proportional to 45,156.75, 67,732.52 and 13,566.13

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Solution

The fourth proportional to 45,156.75, 67,732.52 and 13,566.13 is: 20,348.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,156.75 : 67,732.52 = 13,566.13 : x
  2. Step 2: Convert to fraction form
    45,156.75/67,732.52 = 13,566.13/x
  3. Step 3: Cross multiply
    45,156.75x = 67,732.52 × 13,566.13
  4. Step 4: Simplify right side
    45,156.75x = 918,867,934.39
  5. Step 5: Solve for x
    x = 918,867,934.39/45,156.75
  6. Step 6: Final answer
    x = 20,348.41

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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.