Home / 16,388.75-22,618.41-9,316.23

Finding the Fourth Proportional to 16,388.75, 22,618.41 and 9,316.23

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Solution

The fourth proportional to 16,388.75, 22,618.41 and 9,316.23 is: 12,857.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,388.75 : 22,618.41 = 9,316.23 : x
  2. Step 2: Convert to fraction form
    16,388.75/22,618.41 = 9,316.23/x
  3. Step 3: Cross multiply
    16,388.75x = 22,618.41 × 9,316.23
  4. Step 4: Simplify right side
    16,388.75x = 210,718,309.79
  5. Step 5: Solve for x
    x = 210,718,309.79/16,388.75
  6. Step 6: Final answer
    x = 12,857.50

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Double scale
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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.