Home / 22,530.84-31,073.70-16,878.90

Finding the Fourth Proportional to 22,530.84, 31,073.70 and 16,878.90

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Solution

The fourth proportional to 22,530.84, 31,073.70 and 16,878.90 is: 23,278.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,530.84 : 31,073.70 = 16,878.90 : x
  2. Step 2: Convert to fraction form
    22,530.84/31,073.70 = 16,878.90/x
  3. Step 3: Cross multiply
    22,530.84x = 31,073.70 × 16,878.90
  4. Step 4: Simplify right side
    22,530.84x = 524,489,874.93
  5. Step 5: Solve for x
    x = 524,489,874.93/22,530.84
  6. Step 6: Final answer
    x = 23,278.75

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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.