Home / 22,195.24-30,587.32-15,896.68

Finding the Fourth Proportional to 22,195.24, 30,587.32 and 15,896.68

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Solution

The fourth proportional to 22,195.24, 30,587.32 and 15,896.68 is: 21,907.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,195.24 : 30,587.32 = 15,896.68 : x
  2. Step 2: Convert to fraction form
    22,195.24/30,587.32 = 15,896.68/x
  3. Step 3: Cross multiply
    22,195.24x = 30,587.32 × 15,896.68
  4. Step 4: Simplify right side
    22,195.24x = 486,236,838.10
  5. Step 5: Solve for x
    x = 486,236,838.10/22,195.24
  6. Step 6: Final answer
    x = 21,907.26

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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.