Home / 22,186.24-30,574.92-15,887.68

Finding the Fourth Proportional to 22,186.24, 30,574.92 and 15,887.68

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Solution

The fourth proportional to 22,186.24, 30,574.92 and 15,887.68 is: 21,894.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,186.24 : 30,574.92 = 15,887.68 : x
  2. Step 2: Convert to fraction form
    22,186.24/30,574.92 = 15,887.68/x
  3. Step 3: Cross multiply
    22,186.24x = 30,574.92 × 15,887.68
  4. Step 4: Simplify right side
    22,186.24x = 485,764,544.99
  5. Step 5: Solve for x
    x = 485,764,544.99/22,186.24
  6. Step 6: Final answer
    x = 21,894.86

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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.