Home / 18,330.76-25,296.50-9,947.24

Finding the Fourth Proportional to 18,330.76, 25,296.50 and 9,947.24

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Solution

The fourth proportional to 18,330.76, 25,296.50 and 9,947.24 is: 13,727.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.76 : 25,296.50 = 9,947.24 : x
  2. Step 2: Convert to fraction form
    18,330.76/25,296.50 = 9,947.24/x
  3. Step 3: Cross multiply
    18,330.76x = 25,296.50 × 9,947.24
  4. Step 4: Simplify right side
    18,330.76x = 251,630,356.66
  5. Step 5: Solve for x
    x = 251,630,356.66/18,330.76
  6. Step 6: Final answer
    x = 13,727.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.