Home / 23,124.40-31,903.08-15,171.04

Finding the Fourth Proportional to 23,124.40, 31,903.08 and 15,171.04

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Solution

The fourth proportional to 23,124.40, 31,903.08 and 15,171.04 is: 20,930.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,124.40 : 31,903.08 = 15,171.04 : x
  2. Step 2: Convert to fraction form
    23,124.40/31,903.08 = 15,171.04/x
  3. Step 3: Cross multiply
    23,124.40x = 31,903.08 × 15,171.04
  4. Step 4: Simplify right side
    23,124.40x = 484,002,902.80
  5. Step 5: Solve for x
    x = 484,002,902.80/23,124.40
  6. Step 6: Final answer
    x = 20,930.40

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Half scale
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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.