Home / 22,522.15-31,089.33-20,160.19

Finding the Fourth Proportional to 22,522.15, 31,089.33 and 20,160.19

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Solution

The fourth proportional to 22,522.15, 31,089.33 and 20,160.19 is: 27,828.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,522.15 : 31,089.33 = 20,160.19 : x
  2. Step 2: Convert to fraction form
    22,522.15/31,089.33 = 20,160.19/x
  3. Step 3: Cross multiply
    22,522.15x = 31,089.33 × 20,160.19
  4. Step 4: Simplify right side
    22,522.15x = 626,766,799.77
  5. Step 5: Solve for x
    x = 626,766,799.77/22,522.15
  6. Step 6: Final answer
    x = 27,828.91

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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.