Home / 22,863.74-31,534.25-15,307.65

Finding the Fourth Proportional to 22,863.74, 31,534.25 and 15,307.65

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Solution

The fourth proportional to 22,863.74, 31,534.25 and 15,307.65 is: 21,112.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,863.74 : 31,534.25 = 15,307.65 : x
  2. Step 2: Convert to fraction form
    22,863.74/31,534.25 = 15,307.65/x
  3. Step 3: Cross multiply
    22,863.74x = 31,534.25 × 15,307.65
  4. Step 4: Simplify right side
    22,863.74x = 482,715,185.47
  5. Step 5: Solve for x
    x = 482,715,185.47/22,863.74
  6. Step 6: Final answer
    x = 21,112.70

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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.