Home / 25,447.88-38,158.77-13,446.47

Finding the Fourth Proportional to 25,447.88, 38,158.77 and 13,446.47

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Solution

The fourth proportional to 25,447.88, 38,158.77 and 13,446.47 is: 20,162.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,447.88 : 38,158.77 = 13,446.47 : x
  2. Step 2: Convert to fraction form
    25,447.88/38,158.77 = 13,446.47/x
  3. Step 3: Cross multiply
    25,447.88x = 38,158.77 × 13,446.47
  4. Step 4: Simplify right side
    25,447.88x = 513,100,826.23
  5. Step 5: Solve for x
    x = 513,100,826.23/25,447.88
  6. Step 6: Final answer
    x = 20,162.81

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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.