Home / 16,878.11-23,291.46-9,324.77

Finding the Fourth Proportional to 16,878.11, 23,291.46 and 9,324.77

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Solution

The fourth proportional to 16,878.11, 23,291.46 and 9,324.77 is: 12,868.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.11 : 23,291.46 = 9,324.77 : x
  2. Step 2: Convert to fraction form
    16,878.11/23,291.46 = 9,324.77/x
  3. Step 3: Cross multiply
    16,878.11x = 23,291.46 × 9,324.77
  4. Step 4: Simplify right side
    16,878.11x = 217,187,391.01
  5. Step 5: Solve for x
    x = 217,187,391.01/16,878.11
  6. Step 6: Final answer
    x = 12,868.00

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Double scale
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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.