Home / 22,658.97-31,158.47-19,669.57

Finding the Fourth Proportional to 22,658.97, 31,158.47 and 19,669.57

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Solution

The fourth proportional to 22,658.97, 31,158.47 and 19,669.57 is: 27,047.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,658.97 : 31,158.47 = 19,669.57 : x
  2. Step 2: Convert to fraction form
    22,658.97/31,158.47 = 19,669.57/x
  3. Step 3: Cross multiply
    22,658.97x = 31,158.47 × 19,669.57
  4. Step 4: Simplify right side
    22,658.97x = 612,873,678.04
  5. Step 5: Solve for x
    x = 612,873,678.04/22,658.97
  6. Step 6: Final answer
    x = 27,047.72

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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.