Home / 18,079.03-24,951.95-13,821.90

Finding the Fourth Proportional to 18,079.03, 24,951.95 and 13,821.90

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Solution

The fourth proportional to 18,079.03, 24,951.95 and 13,821.90 is: 19,076.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,079.03 : 24,951.95 = 13,821.90 : x
  2. Step 2: Convert to fraction form
    18,079.03/24,951.95 = 13,821.90/x
  3. Step 3: Cross multiply
    18,079.03x = 24,951.95 × 13,821.90
  4. Step 4: Simplify right side
    18,079.03x = 344,883,357.71
  5. Step 5: Solve for x
    x = 344,883,357.71/18,079.03
  6. Step 6: Final answer
    x = 19,076.43

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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.