Home / 15,550.60-23,325.78-8,972.56

Finding the Fourth Proportional to 15,550.60, 23,325.78 and 8,972.56

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Solution

The fourth proportional to 15,550.60, 23,325.78 and 8,972.56 is: 13,458.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550.60 : 23,325.78 = 8,972.56 : x
  2. Step 2: Convert to fraction form
    15,550.60/23,325.78 = 8,972.56/x
  3. Step 3: Cross multiply
    15,550.60x = 23,325.78 × 8,972.56
  4. Step 4: Simplify right side
    15,550.60x = 209,291,960.60
  5. Step 5: Solve for x
    x = 209,291,960.60/15,550.60
  6. Step 6: Final answer
    x = 13,458.77

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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.