Home / 18,229.38-25,156.54-9,845.88

Finding the Fourth Proportional to 18,229.38, 25,156.54 and 9,845.88

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Solution

The fourth proportional to 18,229.38, 25,156.54 and 9,845.88 is: 13,587.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.38 : 25,156.54 = 9,845.88 : x
  2. Step 2: Convert to fraction form
    18,229.38/25,156.54 = 9,845.88/x
  3. Step 3: Cross multiply
    18,229.38x = 25,156.54 × 9,845.88
  4. Step 4: Simplify right side
    18,229.38x = 247,688,274.06
  5. Step 5: Solve for x
    x = 247,688,274.06/18,229.38
  6. Step 6: Final answer
    x = 13,587.31

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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.