Home / 22,095.25-30,491.45-12,669.28

Finding the Fourth Proportional to 22,095.25, 30,491.45 and 12,669.28

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Solution

The fourth proportional to 22,095.25, 30,491.45 and 12,669.28 is: 17,483.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,095.25 : 30,491.45 = 12,669.28 : x
  2. Step 2: Convert to fraction form
    22,095.25/30,491.45 = 12,669.28/x
  3. Step 3: Cross multiply
    22,095.25x = 30,491.45 × 12,669.28
  4. Step 4: Simplify right side
    22,095.25x = 386,304,717.66
  5. Step 5: Solve for x
    x = 386,304,717.66/22,095.25
  6. Step 6: Final answer
    x = 17,483.61

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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.