Home / 18,184.20-25,095.42-13,700.04

Finding the Fourth Proportional to 18,184.20, 25,095.42 and 13,700.04

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Solution

The fourth proportional to 18,184.20, 25,095.42 and 13,700.04 is: 18,906.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,184.20 : 25,095.42 = 13,700.04 : x
  2. Step 2: Convert to fraction form
    18,184.20/25,095.42 = 13,700.04/x
  3. Step 3: Cross multiply
    18,184.20x = 25,095.42 × 13,700.04
  4. Step 4: Simplify right side
    18,184.20x = 343,808,257.82
  5. Step 5: Solve for x
    x = 343,808,257.82/18,184.20
  6. Step 6: Final answer
    x = 18,906.98

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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.