Home / 15,010.11-20,713.26-8,295.59

Finding the Fourth Proportional to 15,010.11, 20,713.26 and 8,295.59

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Solution

The fourth proportional to 15,010.11, 20,713.26 and 8,295.59 is: 11,447.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.11 : 20,713.26 = 8,295.59 : x
  2. Step 2: Convert to fraction form
    15,010.11/20,713.26 = 8,295.59/x
  3. Step 3: Cross multiply
    15,010.11x = 20,713.26 × 8,295.59
  4. Step 4: Simplify right side
    15,010.11x = 171,828,608.96
  5. Step 5: Solve for x
    x = 171,828,608.96/15,010.11
  6. Step 6: Final answer
    x = 11,447.52

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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.