Home / 23,471.27-32,390.16-12,860.87

Finding the Fourth Proportional to 23,471.27, 32,390.16 and 12,860.87

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Solution

The fourth proportional to 23,471.27, 32,390.16 and 12,860.87 is: 17,747.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,471.27 : 32,390.16 = 12,860.87 : x
  2. Step 2: Convert to fraction form
    23,471.27/32,390.16 = 12,860.87/x
  3. Step 3: Cross multiply
    23,471.27x = 32,390.16 × 12,860.87
  4. Step 4: Simplify right side
    23,471.27x = 416,565,637.04
  5. Step 5: Solve for x
    x = 416,565,637.04/23,471.27
  6. Step 6: Final answer
    x = 17,747.90

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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.