Home / 23,115.60-34,674.36-19,247.28

Finding the Fourth Proportional to 23,115.60, 34,674.36 and 19,247.28

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Solution

The fourth proportional to 23,115.60, 34,674.36 and 19,247.28 is: 28,871.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,115.60 : 34,674.36 = 19,247.28 : x
  2. Step 2: Convert to fraction form
    23,115.60/34,674.36 = 19,247.28/x
  3. Step 3: Cross multiply
    23,115.60x = 34,674.36 × 19,247.28
  4. Step 4: Simplify right side
    23,115.60x = 667,387,115.74
  5. Step 5: Solve for x
    x = 667,387,115.74/23,115.60
  6. Step 6: Final answer
    x = 28,871.72

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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.