Home / 22,234.08-30,685.92-12,802.08

Finding the Fourth Proportional to 22,234.08, 30,685.92 and 12,802.08

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Solution

The fourth proportional to 22,234.08, 30,685.92 and 12,802.08 is: 17,668.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,234.08 : 30,685.92 = 12,802.08 : x
  2. Step 2: Convert to fraction form
    22,234.08/30,685.92 = 12,802.08/x
  3. Step 3: Cross multiply
    22,234.08x = 30,685.92 × 12,802.08
  4. Step 4: Simplify right side
    22,234.08x = 392,843,602.71
  5. Step 5: Solve for x
    x = 392,843,602.71/22,234.08
  6. Step 6: Final answer
    x = 17,668.53

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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.