Home / 16,881.76-23,296.73-9,328.61

Finding the Fourth Proportional to 16,881.76, 23,296.73 and 9,328.61

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Solution

The fourth proportional to 16,881.76, 23,296.73 and 9,328.61 is: 12,873.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,881.76 : 23,296.73 = 9,328.61 : x
  2. Step 2: Convert to fraction form
    16,881.76/23,296.73 = 9,328.61/x
  3. Step 3: Cross multiply
    16,881.76x = 23,296.73 × 9,328.61
  4. Step 4: Simplify right side
    16,881.76x = 217,326,190.01
  5. Step 5: Solve for x
    x = 217,326,190.01/16,881.76
  6. Step 6: Final answer
    x = 12,873.43

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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.