Home / 18,473.15-25,488.27-11,300.47

Finding the Fourth Proportional to 18,473.15, 25,488.27 and 11,300.47

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Solution

The fourth proportional to 18,473.15, 25,488.27 and 11,300.47 is: 15,591.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,473.15 : 25,488.27 = 11,300.47 : x
  2. Step 2: Convert to fraction form
    18,473.15/25,488.27 = 11,300.47/x
  3. Step 3: Cross multiply
    18,473.15x = 25,488.27 × 11,300.47
  4. Step 4: Simplify right side
    18,473.15x = 288,029,366.77
  5. Step 5: Solve for x
    x = 288,029,366.77/18,473.15
  6. Step 6: Final answer
    x = 15,591.78

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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.