Home / 22,182.24-30,610.80-12,750.60

Finding the Fourth Proportional to 22,182.24, 30,610.80 and 12,750.60

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Solution

The fourth proportional to 22,182.24, 30,610.80 and 12,750.60 is: 17,595.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,182.24 : 30,610.80 = 12,750.60 : x
  2. Step 2: Convert to fraction form
    22,182.24/30,610.80 = 12,750.60/x
  3. Step 3: Cross multiply
    22,182.24x = 30,610.80 × 12,750.60
  4. Step 4: Simplify right side
    22,182.24x = 390,306,066.48
  5. Step 5: Solve for x
    x = 390,306,066.48/22,182.24
  6. Step 6: Final answer
    x = 17,595.43

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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.