Home / 15,944.12-22,002.78-8,774.46

Finding the Fourth Proportional to 15,944.12, 22,002.78 and 8,774.46

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Solution

The fourth proportional to 15,944.12, 22,002.78 and 8,774.46 is: 12,108.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,944.12 : 22,002.78 = 8,774.46 : x
  2. Step 2: Convert to fraction form
    15,944.12/22,002.78 = 8,774.46/x
  3. Step 3: Cross multiply
    15,944.12x = 22,002.78 × 8,774.46
  4. Step 4: Simplify right side
    15,944.12x = 193,062,513.00
  5. Step 5: Solve for x
    x = 193,062,513.00/15,944.12
  6. Step 6: Final answer
    x = 12,108.70

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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.