Home / 27,243.48-40,860.30-7,517.16

Finding the Fourth Proportional to 27,243.48, 40,860.30 and 7,517.16

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Solution

The fourth proportional to 27,243.48, 40,860.30 and 7,517.16 is: 11,274.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,243.48 : 40,860.30 = 7,517.16 : x
  2. Step 2: Convert to fraction form
    27,243.48/40,860.30 = 7,517.16/x
  3. Step 3: Cross multiply
    27,243.48x = 40,860.30 × 7,517.16
  4. Step 4: Simplify right side
    27,243.48x = 307,153,412.75
  5. Step 5: Solve for x
    x = 307,153,412.75/27,243.48
  6. Step 6: Final answer
    x = 11,274.38

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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.