Home / 22,670.97-34,012.21-13,318.90

Finding the Fourth Proportional to 22,670.97, 34,012.21 and 13,318.90

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Solution

The fourth proportional to 22,670.97, 34,012.21 and 13,318.90 is: 19,981.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,670.97 : 34,012.21 = 13,318.90 : x
  2. Step 2: Convert to fraction form
    22,670.97/34,012.21 = 13,318.90/x
  3. Step 3: Cross multiply
    22,670.97x = 34,012.21 × 13,318.90
  4. Step 4: Simplify right side
    22,670.97x = 453,005,223.77
  5. Step 5: Solve for x
    x = 453,005,223.77/22,670.97
  6. Step 6: Final answer
    x = 19,981.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.