Home / 23,678.66-32,668.92-15,722.46

Finding the Fourth Proportional to 23,678.66, 32,668.92 and 15,722.46

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Solution

The fourth proportional to 23,678.66, 32,668.92 and 15,722.46 is: 21,691.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,678.66 : 32,668.92 = 15,722.46 : x
  2. Step 2: Convert to fraction form
    23,678.66/32,668.92 = 15,722.46/x
  3. Step 3: Cross multiply
    23,678.66x = 32,668.92 × 15,722.46
  4. Step 4: Simplify right side
    23,678.66x = 513,635,787.94
  5. Step 5: Solve for x
    x = 513,635,787.94/23,678.66
  6. Step 6: Final answer
    x = 21,691.93

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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.