Home / 27,674.39-38,190.46-15,737.72

Finding the Fourth Proportional to 27,674.39, 38,190.46 and 15,737.72

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Solution

The fourth proportional to 27,674.39, 38,190.46 and 15,737.72 is: 21,717.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,674.39 : 38,190.46 = 15,737.72 : x
  2. Step 2: Convert to fraction form
    27,674.39/38,190.46 = 15,737.72/x
  3. Step 3: Cross multiply
    27,674.39x = 38,190.46 × 15,737.72
  4. Step 4: Simplify right side
    27,674.39x = 601,030,679.07
  5. Step 5: Solve for x
    x = 601,030,679.07/27,674.39
  6. Step 6: Final answer
    x = 21,717.94

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Half scale
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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.