Home / 24,871.59-34,321.67-13,540.80

Finding the Fourth Proportional to 24,871.59, 34,321.67 and 13,540.80

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Solution

The fourth proportional to 24,871.59, 34,321.67 and 13,540.80 is: 18,685.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,871.59 : 34,321.67 = 13,540.80 : x
  2. Step 2: Convert to fraction form
    24,871.59/34,321.67 = 13,540.80/x
  3. Step 3: Cross multiply
    24,871.59x = 34,321.67 × 13,540.80
  4. Step 4: Simplify right side
    24,871.59x = 464,742,869.14
  5. Step 5: Solve for x
    x = 464,742,869.14/24,871.59
  6. Step 6: Final answer
    x = 18,685.69

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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.