Home / 36,689.28-55,036.95-11,732.88

Finding the Fourth Proportional to 36,689.28, 55,036.95 and 11,732.88

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Solution

The fourth proportional to 36,689.28, 55,036.95 and 11,732.88 is: 17,600.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,689.28 : 55,036.95 = 11,732.88 : x
  2. Step 2: Convert to fraction form
    36,689.28/55,036.95 = 11,732.88/x
  3. Step 3: Cross multiply
    36,689.28x = 55,036.95 × 11,732.88
  4. Step 4: Simplify right side
    36,689.28x = 645,741,929.92
  5. Step 5: Solve for x
    x = 645,741,929.92/36,689.28
  6. Step 6: Final answer
    x = 17,600.29

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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.