Home / 15,961.14-22,040.28-10,003.05

Finding the Fourth Proportional to 15,961.14, 22,040.28 and 10,003.05

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Solution

The fourth proportional to 15,961.14, 22,040.28 and 10,003.05 is: 13,812.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,961.14 : 22,040.28 = 10,003.05 : x
  2. Step 2: Convert to fraction form
    15,961.14/22,040.28 = 10,003.05/x
  3. Step 3: Cross multiply
    15,961.14x = 22,040.28 × 10,003.05
  4. Step 4: Simplify right side
    15,961.14x = 220,470,022.85
  5. Step 5: Solve for x
    x = 220,470,022.85/15,961.14
  6. Step 6: Final answer
    x = 13,812.92

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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.