Home / 13,039.29-17,995.23-7,374.69

Finding the Fourth Proportional to 13,039.29, 17,995.23 and 7,374.69

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Solution

The fourth proportional to 13,039.29, 17,995.23 and 7,374.69 is: 10,177.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039.29 : 17,995.23 = 7,374.69 : x
  2. Step 2: Convert to fraction form
    13,039.29/17,995.23 = 7,374.69/x
  3. Step 3: Cross multiply
    13,039.29x = 17,995.23 × 7,374.69
  4. Step 4: Simplify right side
    13,039.29x = 132,709,242.73
  5. Step 5: Solve for x
    x = 132,709,242.73/13,039.29
  6. Step 6: Final answer
    x = 10,177.64

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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.