Home / 18,591.42-25,649.92-10,628.04

Finding the Fourth Proportional to 18,591.42, 25,649.92 and 10,628.04

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Solution

The fourth proportional to 18,591.42, 25,649.92 and 10,628.04 is: 14,663.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591.42 : 25,649.92 = 10,628.04 : x
  2. Step 2: Convert to fraction form
    18,591.42/25,649.92 = 10,628.04/x
  3. Step 3: Cross multiply
    18,591.42x = 25,649.92 × 10,628.04
  4. Step 4: Simplify right side
    18,591.42x = 272,608,375.76
  5. Step 5: Solve for x
    x = 272,608,375.76/18,591.42
  6. Step 6: Final answer
    x = 14,663.13

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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.