Home / 18,576.11-25,655.25-12,617.75

Finding the Fourth Proportional to 18,576.11, 25,655.25 and 12,617.75

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Solution

The fourth proportional to 18,576.11, 25,655.25 and 12,617.75 is: 17,426.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576.11 : 25,655.25 = 12,617.75 : x
  2. Step 2: Convert to fraction form
    18,576.11/25,655.25 = 12,617.75/x
  3. Step 3: Cross multiply
    18,576.11x = 25,655.25 × 12,617.75
  4. Step 4: Simplify right side
    18,576.11x = 323,711,402.41
  5. Step 5: Solve for x
    x = 323,711,402.41/18,576.11
  6. Step 6: Final answer
    x = 17,426.23

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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.