Home / 18,540.28-25,588.50-10,585

Finding the Fourth Proportional to 18,540.28, 25,588.50 and 10,585

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Solution

The fourth proportional to 18,540.28, 25,588.50 and 10,585 is: 14,608.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.28 : 25,588.50 = 10,585 : x
  2. Step 2: Convert to fraction form
    18,540.28/25,588.50 = 10,585/x
  3. Step 3: Cross multiply
    18,540.28x = 25,588.50 × 10,585
  4. Step 4: Simplify right side
    18,540.28x = 270,854,272.50
  5. Step 5: Solve for x
    x = 270,854,272.50/18,540.28
  6. Step 6: Final answer
    x = 14,608.96

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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.