Home / 23,758.76-32,785.68-13,147.76

Finding the Fourth Proportional to 23,758.76, 32,785.68 and 13,147.76

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Solution

The fourth proportional to 23,758.76, 32,785.68 and 13,147.76 is: 18,143.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,758.76 : 32,785.68 = 13,147.76 : x
  2. Step 2: Convert to fraction form
    23,758.76/32,785.68 = 13,147.76/x
  3. Step 3: Cross multiply
    23,758.76x = 32,785.68 × 13,147.76
  4. Step 4: Simplify right side
    23,758.76x = 431,058,252.08
  5. Step 5: Solve for x
    x = 431,058,252.08/23,758.76
  6. Step 6: Final answer
    x = 18,143.13

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Half scale
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Double scale
Find fourth proportional to 23,759.76, 32,787.06 and 13,148.76
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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.