Home / 18,612.44-25,685.16-10,228.94

Finding the Fourth Proportional to 18,612.44, 25,685.16 and 10,228.94

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Solution

The fourth proportional to 18,612.44, 25,685.16 and 10,228.94 is: 14,115.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612.44 : 25,685.16 = 10,228.94 : x
  2. Step 2: Convert to fraction form
    18,612.44/25,685.16 = 10,228.94/x
  3. Step 3: Cross multiply
    18,612.44x = 25,685.16 × 10,228.94
  4. Step 4: Simplify right side
    18,612.44x = 262,731,960.53
  5. Step 5: Solve for x
    x = 262,731,960.53/18,612.44
  6. Step 6: Final answer
    x = 14,115.93

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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.