Home / 18,825.18-25,975.98-11,269.91

Finding the Fourth Proportional to 18,825.18, 25,975.98 and 11,269.91

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Solution

The fourth proportional to 18,825.18, 25,975.98 and 11,269.91 is: 15,550.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825.18 : 25,975.98 = 11,269.91 : x
  2. Step 2: Convert to fraction form
    18,825.18/25,975.98 = 11,269.91/x
  3. Step 3: Cross multiply
    18,825.18x = 25,975.98 × 11,269.91
  4. Step 4: Simplify right side
    18,825.18x = 292,746,826.88
  5. Step 5: Solve for x
    x = 292,746,826.88/18,825.18
  6. Step 6: Final answer
    x = 15,550.81

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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.