Home / 22,170.54-30,599.14-21,174.06

Finding the Fourth Proportional to 22,170.54, 30,599.14 and 21,174.06

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Solution

The fourth proportional to 22,170.54, 30,599.14 and 21,174.06 is: 29,223.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.54 : 30,599.14 = 21,174.06 : x
  2. Step 2: Convert to fraction form
    22,170.54/30,599.14 = 21,174.06/x
  3. Step 3: Cross multiply
    22,170.54x = 30,599.14 × 21,174.06
  4. Step 4: Simplify right side
    22,170.54x = 647,908,026.31
  5. Step 5: Solve for x
    x = 647,908,026.31/22,170.54
  6. Step 6: Final answer
    x = 29,223.83

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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.