Home / 15,529.20-23,261.40-11,628.24

Finding the Fourth Proportional to 15,529.20, 23,261.40 and 11,628.24

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Solution

The fourth proportional to 15,529.20, 23,261.40 and 11,628.24 is: 17,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,529.20 : 23,261.40 = 11,628.24 : x
  2. Step 2: Convert to fraction form
    15,529.20/23,261.40 = 11,628.24/x
  3. Step 3: Cross multiply
    15,529.20x = 23,261.40 × 11,628.24
  4. Step 4: Simplify right side
    15,529.20x = 270,489,141.94
  5. Step 5: Solve for x
    x = 270,489,141.94/15,529.20
  6. Step 6: Final answer
    x = 17,418.10

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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.