Home / 15,082.44-20,800.56-9,772.08

Finding the Fourth Proportional to 15,082.44, 20,800.56 and 9,772.08

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Solution

The fourth proportional to 15,082.44, 20,800.56 and 9,772.08 is: 13,476.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,082.44 : 20,800.56 = 9,772.08 : x
  2. Step 2: Convert to fraction form
    15,082.44/20,800.56 = 9,772.08/x
  3. Step 3: Cross multiply
    15,082.44x = 20,800.56 × 9,772.08
  4. Step 4: Simplify right side
    15,082.44x = 203,264,736.36
  5. Step 5: Solve for x
    x = 203,264,736.36/15,082.44
  6. Step 6: Final answer
    x = 13,476.91

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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.