Home / 18,155.87-25,053.66-10,197.83

Finding the Fourth Proportional to 18,155.87, 25,053.66 and 10,197.83

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Solution

The fourth proportional to 18,155.87, 25,053.66 and 10,197.83 is: 14,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155.87 : 25,053.66 = 10,197.83 : x
  2. Step 2: Convert to fraction form
    18,155.87/25,053.66 = 10,197.83/x
  3. Step 3: Cross multiply
    18,155.87x = 25,053.66 × 10,197.83
  4. Step 4: Simplify right side
    18,155.87x = 255,492,965.56
  5. Step 5: Solve for x
    x = 255,492,965.56/18,155.87
  6. Step 6: Final answer
    x = 14,072.20

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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.