Home / 18,373.54-25,349.24-12,706.18

Finding the Fourth Proportional to 18,373.54, 25,349.24 and 12,706.18

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Solution

The fourth proportional to 18,373.54, 25,349.24 and 12,706.18 is: 17,530.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373.54 : 25,349.24 = 12,706.18 : x
  2. Step 2: Convert to fraction form
    18,373.54/25,349.24 = 12,706.18/x
  3. Step 3: Cross multiply
    18,373.54x = 25,349.24 × 12,706.18
  4. Step 4: Simplify right side
    18,373.54x = 322,092,006.30
  5. Step 5: Solve for x
    x = 322,092,006.30/18,373.54
  6. Step 6: Final answer
    x = 17,530.21

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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.