Home / 24,761.90-34,131.48-20,277.74

Finding the Fourth Proportional to 24,761.90, 34,131.48 and 20,277.74

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Solution

The fourth proportional to 24,761.90, 34,131.48 and 20,277.74 is: 27,950.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,761.90 : 34,131.48 = 20,277.74 : x
  2. Step 2: Convert to fraction form
    24,761.90/34,131.48 = 20,277.74/x
  3. Step 3: Cross multiply
    24,761.90x = 34,131.48 × 20,277.74
  4. Step 4: Simplify right side
    24,761.90x = 692,109,286.54
  5. Step 5: Solve for x
    x = 692,109,286.54/24,761.90
  6. Step 6: Final answer
    x = 27,950.57

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Double scale
Find fourth proportional to 24,762.90, 34,132.85 and 20,278.74
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1.5x scale

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.