Home / 13,039.67-17,995.66-7,374.46

Finding the Fourth Proportional to 13,039.67, 17,995.66 and 7,374.46

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Solution

The fourth proportional to 13,039.67, 17,995.66 and 7,374.46 is: 10,177.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039.67 : 17,995.66 = 7,374.46 : x
  2. Step 2: Convert to fraction form
    13,039.67/17,995.66 = 7,374.46/x
  3. Step 3: Cross multiply
    13,039.67x = 17,995.66 × 7,374.46
  4. Step 4: Simplify right side
    13,039.67x = 132,708,278.58
  5. Step 5: Solve for x
    x = 132,708,278.58/13,039.67
  6. Step 6: Final answer
    x = 10,177.28

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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.