Home / 19,612.75-27,065.60-11,230.87

Finding the Fourth Proportional to 19,612.75, 27,065.60 and 11,230.87

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Solution

The fourth proportional to 19,612.75, 27,065.60 and 11,230.87 is: 15,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,612.75 : 27,065.60 = 11,230.87 : x
  2. Step 2: Convert to fraction form
    19,612.75/27,065.60 = 11,230.87/x
  3. Step 3: Cross multiply
    19,612.75x = 27,065.60 × 11,230.87
  4. Step 4: Simplify right side
    19,612.75x = 303,970,235.07
  5. Step 5: Solve for x
    x = 303,970,235.07/19,612.75
  6. Step 6: Final answer
    x = 15,498.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.