Home / 27,418.74-41,121.72-7,699.20

Finding the Fourth Proportional to 27,418.74, 41,121.72 and 7,699.20

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Solution

The fourth proportional to 27,418.74, 41,121.72 and 7,699.20 is: 11,547.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,418.74 : 41,121.72 = 7,699.20 : x
  2. Step 2: Convert to fraction form
    27,418.74/41,121.72 = 7,699.20/x
  3. Step 3: Cross multiply
    27,418.74x = 41,121.72 × 7,699.20
  4. Step 4: Simplify right side
    27,418.74x = 316,604,346.62
  5. Step 5: Solve for x
    x = 316,604,346.62/27,418.74
  6. Step 6: Final answer
    x = 11,547.01

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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.