Home / 15,273.45-21,077.33-9,305.12

Finding the Fourth Proportional to 15,273.45, 21,077.33 and 9,305.12

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Solution

The fourth proportional to 15,273.45, 21,077.33 and 9,305.12 is: 12,841.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,273.45 : 21,077.33 = 9,305.12 : x
  2. Step 2: Convert to fraction form
    15,273.45/21,077.33 = 9,305.12/x
  3. Step 3: Cross multiply
    15,273.45x = 21,077.33 × 9,305.12
  4. Step 4: Simplify right side
    15,273.45x = 196,126,933.02
  5. Step 5: Solve for x
    x = 196,126,933.02/15,273.45
  6. Step 6: Final answer
    x = 12,841.04

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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.