Home / 16,883.86-23,301.12-9,331.66

Finding the Fourth Proportional to 16,883.86, 23,301.12 and 9,331.66

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Solution

The fourth proportional to 16,883.86, 23,301.12 and 9,331.66 is: 12,878.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,883.86 : 23,301.12 = 9,331.66 : x
  2. Step 2: Convert to fraction form
    16,883.86/23,301.12 = 9,331.66/x
  3. Step 3: Cross multiply
    16,883.86x = 23,301.12 × 9,331.66
  4. Step 4: Simplify right side
    16,883.86x = 217,438,193.58
  5. Step 5: Solve for x
    x = 217,438,193.58/16,883.86
  6. Step 6: Final answer
    x = 12,878.47

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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.