Home / 16,884.70-23,301.13-9,331.20

Finding the Fourth Proportional to 16,884.70, 23,301.13 and 9,331.20

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Solution

The fourth proportional to 16,884.70, 23,301.13 and 9,331.20 is: 12,877.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,884.70 : 23,301.13 = 9,331.20 : x
  2. Step 2: Convert to fraction form
    16,884.70/23,301.13 = 9,331.20/x
  3. Step 3: Cross multiply
    16,884.70x = 23,301.13 × 9,331.20
  4. Step 4: Simplify right side
    16,884.70x = 217,427,504.26
  5. Step 5: Solve for x
    x = 217,427,504.26/16,884.70
  6. Step 6: Final answer
    x = 12,877.19

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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.