Home / 22,862.14-31,543.67-15,694.25

Finding the Fourth Proportional to 22,862.14, 31,543.67 and 15,694.25

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Solution

The fourth proportional to 22,862.14, 31,543.67 and 15,694.25 is: 21,653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,862.14 : 31,543.67 = 15,694.25 : x
  2. Step 2: Convert to fraction form
    22,862.14/31,543.67 = 15,694.25/x
  3. Step 3: Cross multiply
    22,862.14x = 31,543.67 × 15,694.25
  4. Step 4: Simplify right side
    22,862.14x = 495,054,242.90
  5. Step 5: Solve for x
    x = 495,054,242.90/22,862.14
  6. Step 6: Final answer
    x = 21,653.89

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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.