Home / 18,470.18-25,432.17-16,984.10

Finding the Fourth Proportional to 18,470.18, 25,432.17 and 16,984.10

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Solution

The fourth proportional to 18,470.18, 25,432.17 and 16,984.10 is: 23,385.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,470.18 : 25,432.17 = 16,984.10 : x
  2. Step 2: Convert to fraction form
    18,470.18/25,432.17 = 16,984.10/x
  3. Step 3: Cross multiply
    18,470.18x = 25,432.17 × 16,984.10
  4. Step 4: Simplify right side
    18,470.18x = 431,942,518.50
  5. Step 5: Solve for x
    x = 431,942,518.50/18,470.18
  6. Step 6: Final answer
    x = 23,385.94

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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.