Home / 25,132.61-34,699.24-15,582.65

Finding the Fourth Proportional to 25,132.61, 34,699.24 and 15,582.65

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Solution

The fourth proportional to 25,132.61, 34,699.24 and 15,582.65 is: 21,514.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,132.61 : 34,699.24 = 15,582.65 : x
  2. Step 2: Convert to fraction form
    25,132.61/34,699.24 = 15,582.65/x
  3. Step 3: Cross multiply
    25,132.61x = 34,699.24 × 15,582.65
  4. Step 4: Simplify right side
    25,132.61x = 540,706,001.99
  5. Step 5: Solve for x
    x = 540,706,001.99/25,132.61
  6. Step 6: Final answer
    x = 21,514.12

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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.