Home / 18,375.50-25,360.61-17,875.12

Finding the Fourth Proportional to 18,375.50, 25,360.61 and 17,875.12

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Solution

The fourth proportional to 18,375.50, 25,360.61 and 17,875.12 is: 24,670.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,375.50 : 25,360.61 = 17,875.12 : x
  2. Step 2: Convert to fraction form
    18,375.50/25,360.61 = 17,875.12/x
  3. Step 3: Cross multiply
    18,375.50x = 25,360.61 × 17,875.12
  4. Step 4: Simplify right side
    18,375.50x = 453,323,794.25
  5. Step 5: Solve for x
    x = 453,323,794.25/18,375.50
  6. Step 6: Final answer
    x = 24,670.02

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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.