Home / 16,906.95-23,331.15-9,353.07

Finding the Fourth Proportional to 16,906.95, 23,331.15 and 9,353.07

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Solution

The fourth proportional to 16,906.95, 23,331.15 and 9,353.07 is: 12,906.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,906.95 : 23,331.15 = 9,353.07 : x
  2. Step 2: Convert to fraction form
    16,906.95/23,331.15 = 9,353.07/x
  3. Step 3: Cross multiply
    16,906.95x = 23,331.15 × 9,353.07
  4. Step 4: Simplify right side
    16,906.95x = 218,217,879.13
  5. Step 5: Solve for x
    x = 218,217,879.13/16,906.95
  6. Step 6: Final answer
    x = 12,906.99

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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.