Home / 27,122.76-40,688.73-9,351.63

Finding the Fourth Proportional to 27,122.76, 40,688.73 and 9,351.63

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Solution

The fourth proportional to 27,122.76, 40,688.73 and 9,351.63 is: 14,029.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,122.76 : 40,688.73 = 9,351.63 : x
  2. Step 2: Convert to fraction form
    27,122.76/40,688.73 = 9,351.63/x
  3. Step 3: Cross multiply
    27,122.76x = 40,688.73 × 9,351.63
  4. Step 4: Simplify right side
    27,122.76x = 380,505,948.13
  5. Step 5: Solve for x
    x = 380,505,948.13/27,122.76
  6. Step 6: Final answer
    x = 14,029.03

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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.