Home / 27,272.39-40,909.48-7,549.30

Finding the Fourth Proportional to 27,272.39, 40,909.48 and 7,549.30

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Solution

The fourth proportional to 27,272.39, 40,909.48 and 7,549.30 is: 11,324.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,272.39 : 40,909.48 = 7,549.30 : x
  2. Step 2: Convert to fraction form
    27,272.39/40,909.48 = 7,549.30/x
  3. Step 3: Cross multiply
    27,272.39x = 40,909.48 × 7,549.30
  4. Step 4: Simplify right side
    27,272.39x = 308,837,937.36
  5. Step 5: Solve for x
    x = 308,837,937.36/27,272.39
  6. Step 6: Final answer
    x = 11,324.20

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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.