Home / 25,832.68-38,712.93-13,960.86

Finding the Fourth Proportional to 25,832.68, 38,712.93 and 13,960.86

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Solution

The fourth proportional to 25,832.68, 38,712.93 and 13,960.86 is: 20,921.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,832.68 : 38,712.93 = 13,960.86 : x
  2. Step 2: Convert to fraction form
    25,832.68/38,712.93 = 13,960.86/x
  3. Step 3: Cross multiply
    25,832.68x = 38,712.93 × 13,960.86
  4. Step 4: Simplify right side
    25,832.68x = 540,465,830.82
  5. Step 5: Solve for x
    x = 540,465,830.82/25,832.68
  6. Step 6: Final answer
    x = 20,921.79

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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.