Home / 17,865.56-26,640.92-16,618.88

Finding the Fourth Proportional to 17,865.56, 26,640.92 and 16,618.88

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Solution

The fourth proportional to 17,865.56, 26,640.92 and 16,618.88 is: 24,781.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,865.56 : 26,640.92 = 16,618.88 : x
  2. Step 2: Convert to fraction form
    17,865.56/26,640.92 = 16,618.88/x
  3. Step 3: Cross multiply
    17,865.56x = 26,640.92 × 16,618.88
  4. Step 4: Simplify right side
    17,865.56x = 442,742,252.57
  5. Step 5: Solve for x
    x = 442,742,252.57/17,865.56
  6. Step 6: Final answer
    x = 24,781.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.