Home / 22,332.66-30,810.30-13,380.54

Finding the Fourth Proportional to 22,332.66, 30,810.30 and 13,380.54

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Solution

The fourth proportional to 22,332.66, 30,810.30 and 13,380.54 is: 18,459.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,332.66 : 30,810.30 = 13,380.54 : x
  2. Step 2: Convert to fraction form
    22,332.66/30,810.30 = 13,380.54/x
  3. Step 3: Cross multiply
    22,332.66x = 30,810.30 × 13,380.54
  4. Step 4: Simplify right side
    22,332.66x = 412,258,451.56
  5. Step 5: Solve for x
    x = 412,258,451.56/22,332.66
  6. Step 6: Final answer
    x = 18,459.89

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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.