Home / 18,375.28-25,358.68-10,417.44

Finding the Fourth Proportional to 18,375.28, 25,358.68 and 10,417.44

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Solution

The fourth proportional to 18,375.28, 25,358.68 and 10,417.44 is: 14,376.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,375.28 : 25,358.68 = 10,417.44 : x
  2. Step 2: Convert to fraction form
    18,375.28/25,358.68 = 10,417.44/x
  3. Step 3: Cross multiply
    18,375.28x = 25,358.68 × 10,417.44
  4. Step 4: Simplify right side
    18,375.28x = 264,172,527.38
  5. Step 5: Solve for x
    x = 264,172,527.38/18,375.28
  6. Step 6: Final answer
    x = 14,376.52

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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.