Home / 12,550.93-18,716.72-10,998.16

Finding the Fourth Proportional to 12,550.93, 18,716.72 and 10,998.16

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Solution

The fourth proportional to 12,550.93, 18,716.72 and 10,998.16 is: 16,401.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.93 : 18,716.72 = 10,998.16 : x
  2. Step 2: Convert to fraction form
    12,550.93/18,716.72 = 10,998.16/x
  3. Step 3: Cross multiply
    12,550.93x = 18,716.72 × 10,998.16
  4. Step 4: Simplify right side
    12,550.93x = 205,849,481.24
  5. Step 5: Solve for x
    x = 205,849,481.24/12,550.93
  6. Step 6: Final answer
    x = 16,401.13

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.