Home / 22,030.26-30,401.65-11,958.61

Finding the Fourth Proportional to 22,030.26, 30,401.65 and 11,958.61

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Solution

The fourth proportional to 22,030.26, 30,401.65 and 11,958.61 is: 16,502.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,030.26 : 30,401.65 = 11,958.61 : x
  2. Step 2: Convert to fraction form
    22,030.26/30,401.65 = 11,958.61/x
  3. Step 3: Cross multiply
    22,030.26x = 30,401.65 × 11,958.61
  4. Step 4: Simplify right side
    22,030.26x = 363,561,475.71
  5. Step 5: Solve for x
    x = 363,561,475.71/22,030.26
  6. Step 6: Final answer
    x = 16,502.82

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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.