Home / 22,182.85-30,615.02-12,625.08

Finding the Fourth Proportional to 22,182.85, 30,615.02 and 12,625.08

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Solution

The fourth proportional to 22,182.85, 30,615.02 and 12,625.08 is: 17,424.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,182.85 : 30,615.02 = 12,625.08 : x
  2. Step 2: Convert to fraction form
    22,182.85/30,615.02 = 12,625.08/x
  3. Step 3: Cross multiply
    22,182.85x = 30,615.02 × 12,625.08
  4. Step 4: Simplify right side
    22,182.85x = 386,517,076.70
  5. Step 5: Solve for x
    x = 386,517,076.70/22,182.85
  6. Step 6: Final answer
    x = 17,424.14

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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.