Home / 15,965.76-23,947.15-7,530.33

Finding the Fourth Proportional to 15,965.76, 23,947.15 and 7,530.33

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Solution

The fourth proportional to 15,965.76, 23,947.15 and 7,530.33 is: 11,294.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,965.76 : 23,947.15 = 7,530.33 : x
  2. Step 2: Convert to fraction form
    15,965.76/23,947.15 = 7,530.33/x
  3. Step 3: Cross multiply
    15,965.76x = 23,947.15 × 7,530.33
  4. Step 4: Simplify right side
    15,965.76x = 180,329,942.06
  5. Step 5: Solve for x
    x = 180,329,942.06/15,965.76
  6. Step 6: Final answer
    x = 11,294.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.