Home / 25,324.80-37,987.20-11,291.55

Finding the Fourth Proportional to 25,324.80, 37,987.20 and 11,291.55

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Solution

The fourth proportional to 25,324.80, 37,987.20 and 11,291.55 is: 16,937.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,324.80 : 37,987.20 = 11,291.55 : x
  2. Step 2: Convert to fraction form
    25,324.80/37,987.20 = 11,291.55/x
  3. Step 3: Cross multiply
    25,324.80x = 37,987.20 × 11,291.55
  4. Step 4: Simplify right side
    25,324.80x = 428,934,368.16
  5. Step 5: Solve for x
    x = 428,934,368.16/25,324.80
  6. Step 6: Final answer
    x = 16,937.33

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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.