Home / 16,885.69-23,300.43-9,331.66

Finding the Fourth Proportional to 16,885.69, 23,300.43 and 9,331.66

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Solution

The fourth proportional to 16,885.69, 23,300.43 and 9,331.66 is: 12,876.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.69 : 23,300.43 = 9,331.66 : x
  2. Step 2: Convert to fraction form
    16,885.69/23,300.43 = 9,331.66/x
  3. Step 3: Cross multiply
    16,885.69x = 23,300.43 × 9,331.66
  4. Step 4: Simplify right side
    16,885.69x = 217,431,632.42
  5. Step 5: Solve for x
    x = 217,431,632.42/16,885.69
  6. Step 6: Final answer
    x = 12,876.68

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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.