Home / 25,455.67-38,132.76-19,882.93

Finding the Fourth Proportional to 25,455.67, 38,132.76 and 19,882.93

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Solution

The fourth proportional to 25,455.67, 38,132.76 and 19,882.93 is: 29,784.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,455.67 : 38,132.76 = 19,882.93 : x
  2. Step 2: Convert to fraction form
    25,455.67/38,132.76 = 19,882.93/x
  3. Step 3: Cross multiply
    25,455.67x = 38,132.76 × 19,882.93
  4. Step 4: Simplify right side
    25,455.67x = 758,190,997.79
  5. Step 5: Solve for x
    x = 758,190,997.79/25,455.67
  6. Step 6: Final answer
    x = 29,784.76

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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.