Home / 16,918.06-23,346.18-9,363.94

Finding the Fourth Proportional to 16,918.06, 23,346.18 and 9,363.94

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Solution

The fourth proportional to 16,918.06, 23,346.18 and 9,363.94 is: 12,921.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,918.06 : 23,346.18 = 9,363.94 : x
  2. Step 2: Convert to fraction form
    16,918.06/23,346.18 = 9,363.94/x
  3. Step 3: Cross multiply
    16,918.06x = 23,346.18 × 9,363.94
  4. Step 4: Simplify right side
    16,918.06x = 218,612,141.20
  5. Step 5: Solve for x
    x = 218,612,141.20/16,918.06
  6. Step 6: Final answer
    x = 12,921.82

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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.