Home / 25,447.53-38,145.17-10,665.03

Finding the Fourth Proportional to 25,447.53, 38,145.17 and 10,665.03

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Solution

The fourth proportional to 25,447.53, 38,145.17 and 10,665.03 is: 15,986.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,447.53 : 38,145.17 = 10,665.03 : x
  2. Step 2: Convert to fraction form
    25,447.53/38,145.17 = 10,665.03/x
  3. Step 3: Cross multiply
    25,447.53x = 38,145.17 × 10,665.03
  4. Step 4: Simplify right side
    25,447.53x = 406,819,329.08
  5. Step 5: Solve for x
    x = 406,819,329.08/25,447.53
  6. Step 6: Final answer
    x = 15,986.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.