Home / 22,183.52-30,561.21-15,456.93

Finding the Fourth Proportional to 22,183.52, 30,561.21 and 15,456.93

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Solution

The fourth proportional to 22,183.52, 30,561.21 and 15,456.93 is: 21,294.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,183.52 : 30,561.21 = 15,456.93 : x
  2. Step 2: Convert to fraction form
    22,183.52/30,561.21 = 15,456.93/x
  3. Step 3: Cross multiply
    22,183.52x = 30,561.21 × 15,456.93
  4. Step 4: Simplify right side
    22,183.52x = 472,382,483.69
  5. Step 5: Solve for x
    x = 472,382,483.69/22,183.52
  6. Step 6: Final answer
    x = 21,294.30

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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.