Home / 15,550.43-23,326.85-7,657.18

Finding the Fourth Proportional to 15,550.43, 23,326.85 and 7,657.18

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Solution

The fourth proportional to 15,550.43, 23,326.85 and 7,657.18 is: 11,486.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550.43 : 23,326.85 = 7,657.18 : x
  2. Step 2: Convert to fraction form
    15,550.43/23,326.85 = 7,657.18/x
  3. Step 3: Cross multiply
    15,550.43x = 23,326.85 × 7,657.18
  4. Step 4: Simplify right side
    15,550.43x = 178,617,850.11
  5. Step 5: Solve for x
    x = 178,617,850.11/15,550.43
  6. Step 6: Final answer
    x = 11,486.36

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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.