Home / 18,267.87-25,210.17-11,095.37

Finding the Fourth Proportional to 18,267.87, 25,210.17 and 11,095.37

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Solution

The fourth proportional to 18,267.87, 25,210.17 and 11,095.37 is: 15,311.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267.87 : 25,210.17 = 11,095.37 : x
  2. Step 2: Convert to fraction form
    18,267.87/25,210.17 = 11,095.37/x
  3. Step 3: Cross multiply
    18,267.87x = 25,210.17 × 11,095.37
  4. Step 4: Simplify right side
    18,267.87x = 279,716,037.86
  5. Step 5: Solve for x
    x = 279,716,037.86/18,267.87
  6. Step 6: Final answer
    x = 15,311.91

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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.