Home / 18,646.68-25,732.56-10,148.88

Finding the Fourth Proportional to 18,646.68, 25,732.56 and 10,148.88

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Solution

The fourth proportional to 18,646.68, 25,732.56 and 10,148.88 is: 14,005.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,646.68 : 25,732.56 = 10,148.88 : x
  2. Step 2: Convert to fraction form
    18,646.68/25,732.56 = 10,148.88/x
  3. Step 3: Cross multiply
    18,646.68x = 25,732.56 × 10,148.88
  4. Step 4: Simplify right side
    18,646.68x = 261,156,663.53
  5. Step 5: Solve for x
    x = 261,156,663.53/18,646.68
  6. Step 6: Final answer
    x = 14,005.53

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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.