Home / 22,618.10-33,931.20-9,471.80

Finding the Fourth Proportional to 22,618.10, 33,931.20 and 9,471.80

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Solution

The fourth proportional to 22,618.10, 33,931.20 and 9,471.80 is: 14,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,618.10 : 33,931.20 = 9,471.80 : x
  2. Step 2: Convert to fraction form
    22,618.10/33,931.20 = 9,471.80/x
  3. Step 3: Cross multiply
    22,618.10x = 33,931.20 × 9,471.80
  4. Step 4: Simplify right side
    22,618.10x = 321,389,540.16
  5. Step 5: Solve for x
    x = 321,389,540.16/22,618.10
  6. Step 6: Final answer
    x = 14,209.40

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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.