Home / 26,610.96-39,905.46-9,082.20

Finding the Fourth Proportional to 26,610.96, 39,905.46 and 9,082.20

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Solution

The fourth proportional to 26,610.96, 39,905.46 and 9,082.20 is: 13,619.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,610.96 : 39,905.46 = 9,082.20 : x
  2. Step 2: Convert to fraction form
    26,610.96/39,905.46 = 9,082.20/x
  3. Step 3: Cross multiply
    26,610.96x = 39,905.46 × 9,082.20
  4. Step 4: Simplify right side
    26,610.96x = 362,429,368.81
  5. Step 5: Solve for x
    x = 362,429,368.81/26,610.96
  6. Step 6: Final answer
    x = 13,619.55

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1.5x scale

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.