Home / 27,644.20-41,477.10-10,115.40

Finding the Fourth Proportional to 27,644.20, 41,477.10 and 10,115.40

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Solution

The fourth proportional to 27,644.20, 41,477.10 and 10,115.40 is: 15,177.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,644.20 : 41,477.10 = 10,115.40 : x
  2. Step 2: Convert to fraction form
    27,644.20/41,477.10 = 10,115.40/x
  3. Step 3: Cross multiply
    27,644.20x = 41,477.10 × 10,115.40
  4. Step 4: Simplify right side
    27,644.20x = 419,557,457.34
  5. Step 5: Solve for x
    x = 419,557,457.34/27,644.20
  6. Step 6: Final answer
    x = 15,177.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.