Home / 16,878.14-23,291.50-9,324.55

Finding the Fourth Proportional to 16,878.14, 23,291.50 and 9,324.55

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Solution

The fourth proportional to 16,878.14, 23,291.50 and 9,324.55 is: 12,867.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.14 : 23,291.50 = 9,324.55 : x
  2. Step 2: Convert to fraction form
    16,878.14/23,291.50 = 9,324.55/x
  3. Step 3: Cross multiply
    16,878.14x = 23,291.50 × 9,324.55
  4. Step 4: Simplify right side
    16,878.14x = 217,182,593.24
  5. Step 5: Solve for x
    x = 217,182,593.24/16,878.14
  6. Step 6: Final answer
    x = 12,867.69

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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.