Home / 22,486.41-31,031.07-12,414.84

Finding the Fourth Proportional to 22,486.41, 31,031.07 and 12,414.84

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Solution

The fourth proportional to 22,486.41, 31,031.07 and 12,414.84 is: 17,132.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,486.41 : 31,031.07 = 12,414.84 : x
  2. Step 2: Convert to fraction form
    22,486.41/31,031.07 = 12,414.84/x
  3. Step 3: Cross multiply
    22,486.41x = 31,031.07 × 12,414.84
  4. Step 4: Simplify right side
    22,486.41x = 385,245,769.08
  5. Step 5: Solve for x
    x = 385,245,769.08/22,486.41
  6. Step 6: Final answer
    x = 17,132.38

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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.