Home / 18,193.46-25,103.66-10,234.40

Finding the Fourth Proportional to 18,193.46, 25,103.66 and 10,234.40

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Solution

The fourth proportional to 18,193.46, 25,103.66 and 10,234.40 is: 14,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193.46 : 25,103.66 = 10,234.40 : x
  2. Step 2: Convert to fraction form
    18,193.46/25,103.66 = 10,234.40/x
  3. Step 3: Cross multiply
    18,193.46x = 25,103.66 × 10,234.40
  4. Step 4: Simplify right side
    18,193.46x = 256,920,721.21
  5. Step 5: Solve for x
    x = 256,920,721.21/18,193.46
  6. Step 6: Final answer
    x = 14,121.60

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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.