Home / 22,126.45-30,531.07-12,693.19

Finding the Fourth Proportional to 22,126.45, 30,531.07 and 12,693.19

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Solution

The fourth proportional to 22,126.45, 30,531.07 and 12,693.19 is: 17,514.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,126.45 : 30,531.07 = 12,693.19 : x
  2. Step 2: Convert to fraction form
    22,126.45/30,531.07 = 12,693.19/x
  3. Step 3: Cross multiply
    22,126.45x = 30,531.07 × 12,693.19
  4. Step 4: Simplify right side
    22,126.45x = 387,536,672.41
  5. Step 5: Solve for x
    x = 387,536,672.41/22,126.45
  6. Step 6: Final answer
    x = 17,514.63

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Half scale
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Double scale
Find fourth proportional to 22,127.45, 30,532.45 and 12,694.19
Similar ratio
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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.