Home / 16,885.09-23,301.32-9,331.85

Finding the Fourth Proportional to 16,885.09, 23,301.32 and 9,331.85

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Solution

The fourth proportional to 16,885.09, 23,301.32 and 9,331.85 is: 12,877.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.09 : 23,301.32 = 9,331.85 : x
  2. Step 2: Convert to fraction form
    16,885.09/23,301.32 = 9,331.85/x
  3. Step 3: Cross multiply
    16,885.09x = 23,301.32 × 9,331.85
  4. Step 4: Simplify right side
    16,885.09x = 217,444,434.64
  5. Step 5: Solve for x
    x = 217,444,434.64/16,885.09
  6. Step 6: Final answer
    x = 12,877.90

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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.