Home / 24,839.31-34,261.20-20,739.81

Finding the Fourth Proportional to 24,839.31, 34,261.20 and 20,739.81

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Solution

The fourth proportional to 24,839.31, 34,261.20 and 20,739.81 is: 28,606.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,839.31 : 34,261.20 = 20,739.81 : x
  2. Step 2: Convert to fraction form
    24,839.31/34,261.20 = 20,739.81/x
  3. Step 3: Cross multiply
    24,839.31x = 34,261.20 × 20,739.81
  4. Step 4: Simplify right side
    24,839.31x = 710,570,778.37
  5. Step 5: Solve for x
    x = 710,570,778.37/24,839.31
  6. Step 6: Final answer
    x = 28,606.70

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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.