Home / 26,253.12-36,228.72-15,642.48

Finding the Fourth Proportional to 26,253.12, 36,228.72 and 15,642.48

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Solution

The fourth proportional to 26,253.12, 36,228.72 and 15,642.48 is: 21,586.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,253.12 : 36,228.72 = 15,642.48 : x
  2. Step 2: Convert to fraction form
    26,253.12/36,228.72 = 15,642.48/x
  3. Step 3: Cross multiply
    26,253.12x = 36,228.72 × 15,642.48
  4. Step 4: Simplify right side
    26,253.12x = 566,707,028.03
  5. Step 5: Solve for x
    x = 566,707,028.03/26,253.12
  6. Step 6: Final answer
    x = 21,586.27

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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.