Home / 22,182.18-30,610.03-12,108.57

Finding the Fourth Proportional to 22,182.18, 30,610.03 and 12,108.57

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Solution

The fourth proportional to 22,182.18, 30,610.03 and 12,108.57 is: 16,709.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,182.18 : 30,610.03 = 12,108.57 : x
  2. Step 2: Convert to fraction form
    22,182.18/30,610.03 = 12,108.57/x
  3. Step 3: Cross multiply
    22,182.18x = 30,610.03 × 12,108.57
  4. Step 4: Simplify right side
    22,182.18x = 370,643,690.96
  5. Step 5: Solve for x
    x = 370,643,690.96/22,182.18
  6. Step 6: Final answer
    x = 16,709.07

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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.