Home / 22,030-30,401.10-11,958.46

Finding the Fourth Proportional to 22,030, 30,401.10 and 11,958.46

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Solution

The fourth proportional to 22,030, 30,401.10 and 11,958.46 is: 16,502.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,030 : 30,401.10 = 11,958.46 : x
  2. Step 2: Convert to fraction form
    22,030/30,401.10 = 11,958.46/x
  3. Step 3: Cross multiply
    22,030x = 30,401.10 × 11,958.46
  4. Step 4: Simplify right side
    22,030x = 363,550,338.31
  5. Step 5: Solve for x
    x = 363,550,338.31/22,030
  6. Step 6: Final answer
    x = 16,502.51

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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.