Home / 18,286.47-25,246.98-14,937.30

Finding the Fourth Proportional to 18,286.47, 25,246.98 and 14,937.30

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Solution

The fourth proportional to 18,286.47, 25,246.98 and 14,937.30 is: 20,622.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286.47 : 25,246.98 = 14,937.30 : x
  2. Step 2: Convert to fraction form
    18,286.47/25,246.98 = 14,937.30/x
  3. Step 3: Cross multiply
    18,286.47x = 25,246.98 × 14,937.30
  4. Step 4: Simplify right side
    18,286.47x = 377,121,714.35
  5. Step 5: Solve for x
    x = 377,121,714.35/18,286.47
  6. Step 6: Final answer
    x = 20,622.99

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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.