Home / 23,115.48-34,665.06-8,320.44

Finding the Fourth Proportional to 23,115.48, 34,665.06 and 8,320.44

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Solution

The fourth proportional to 23,115.48, 34,665.06 and 8,320.44 is: 12,477.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,115.48 : 34,665.06 = 8,320.44 : x
  2. Step 2: Convert to fraction form
    23,115.48/34,665.06 = 8,320.44/x
  3. Step 3: Cross multiply
    23,115.48x = 34,665.06 × 8,320.44
  4. Step 4: Simplify right side
    23,115.48x = 288,428,551.83
  5. Step 5: Solve for x
    x = 288,428,551.83/23,115.48
  6. Step 6: Final answer
    x = 12,477.72

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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.