Home / 22,668.22-31,272.06-15,107.17

Finding the Fourth Proportional to 22,668.22, 31,272.06 and 15,107.17

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Solution

The fourth proportional to 22,668.22, 31,272.06 and 15,107.17 is: 20,841.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,668.22 : 31,272.06 = 15,107.17 : x
  2. Step 2: Convert to fraction form
    22,668.22/31,272.06 = 15,107.17/x
  3. Step 3: Cross multiply
    22,668.22x = 31,272.06 × 15,107.17
  4. Step 4: Simplify right side
    22,668.22x = 472,432,326.67
  5. Step 5: Solve for x
    x = 472,432,326.67/22,668.22
  6. Step 6: Final answer
    x = 20,841.17

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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.