Home / 15,907.52-21,951.96-8,833.76

Finding the Fourth Proportional to 15,907.52, 21,951.96 and 8,833.76

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Solution

The fourth proportional to 15,907.52, 21,951.96 and 8,833.76 is: 12,190.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907.52 : 21,951.96 = 8,833.76 : x
  2. Step 2: Convert to fraction form
    15,907.52/21,951.96 = 8,833.76/x
  3. Step 3: Cross multiply
    15,907.52x = 21,951.96 × 8,833.76
  4. Step 4: Simplify right side
    15,907.52x = 193,918,346.17
  5. Step 5: Solve for x
    x = 193,918,346.17/15,907.52
  6. Step 6: Final answer
    x = 12,190.36

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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.