Home / 16,878.12-23,291.99-9,324.66

Finding the Fourth Proportional to 16,878.12, 23,291.99 and 9,324.66

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Solution

The fourth proportional to 16,878.12, 23,291.99 and 9,324.66 is: 12,868.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.12 : 23,291.99 = 9,324.66 : x
  2. Step 2: Convert to fraction form
    16,878.12/23,291.99 = 9,324.66/x
  3. Step 3: Cross multiply
    16,878.12x = 23,291.99 × 9,324.66
  4. Step 4: Simplify right side
    16,878.12x = 217,189,887.47
  5. Step 5: Solve for x
    x = 217,189,887.47/16,878.12
  6. Step 6: Final answer
    x = 12,868.13

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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.