Home / 13,060.15-18,022.82-7,394.75

Finding the Fourth Proportional to 13,060.15, 18,022.82 and 7,394.75

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Solution

The fourth proportional to 13,060.15, 18,022.82 and 7,394.75 is: 10,204.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,060.15 : 18,022.82 = 7,394.75 : x
  2. Step 2: Convert to fraction form
    13,060.15/18,022.82 = 7,394.75/x
  3. Step 3: Cross multiply
    13,060.15x = 18,022.82 × 7,394.75
  4. Step 4: Simplify right side
    13,060.15x = 133,274,248.20
  5. Step 5: Solve for x
    x = 133,274,248.20/13,060.15
  6. Step 6: Final answer
    x = 10,204.65

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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.