Home / 14,879.60-22,330.20-9,947.60

Finding the Fourth Proportional to 14,879.60, 22,330.20 and 9,947.60

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Solution

The fourth proportional to 14,879.60, 22,330.20 and 9,947.60 is: 14,928.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,879.60 : 22,330.20 = 9,947.60 : x
  2. Step 2: Convert to fraction form
    14,879.60/22,330.20 = 9,947.60/x
  3. Step 3: Cross multiply
    14,879.60x = 22,330.20 × 9,947.60
  4. Step 4: Simplify right side
    14,879.60x = 222,131,897.52
  5. Step 5: Solve for x
    x = 222,131,897.52/14,879.60
  6. Step 6: Final answer
    x = 14,928.62

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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.