Home / 18,451.20-25,454.16-10,895.52

Finding the Fourth Proportional to 18,451.20, 25,454.16 and 10,895.52

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Solution

The fourth proportional to 18,451.20, 25,454.16 and 10,895.52 is: 15,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451.20 : 25,454.16 = 10,895.52 : x
  2. Step 2: Convert to fraction form
    18,451.20/25,454.16 = 10,895.52/x
  3. Step 3: Cross multiply
    18,451.20x = 25,454.16 × 10,895.52
  4. Step 4: Simplify right side
    18,451.20x = 277,336,309.36
  5. Step 5: Solve for x
    x = 277,336,309.36/18,451.20
  6. Step 6: Final answer
    x = 15,030.80

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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.