Home / 22,121.74-30,557.87-17,676.69

Finding the Fourth Proportional to 22,121.74, 30,557.87 and 17,676.69

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Solution

The fourth proportional to 22,121.74, 30,557.87 and 17,676.69 is: 24,417.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,121.74 : 30,557.87 = 17,676.69 : x
  2. Step 2: Convert to fraction form
    22,121.74/30,557.87 = 17,676.69/x
  3. Step 3: Cross multiply
    22,121.74x = 30,557.87 × 17,676.69
  4. Step 4: Simplify right side
    22,121.74x = 540,161,995.05
  5. Step 5: Solve for x
    x = 540,161,995.05/22,121.74
  6. Step 6: Final answer
    x = 24,417.70

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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.