Home / 27,517.32-37,974.69-15,582.51

Finding the Fourth Proportional to 27,517.32, 37,974.69 and 15,582.51

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Solution

The fourth proportional to 27,517.32, 37,974.69 and 15,582.51 is: 21,504.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,517.32 : 37,974.69 = 15,582.51 : x
  2. Step 2: Convert to fraction form
    27,517.32/37,974.69 = 15,582.51/x
  3. Step 3: Cross multiply
    27,517.32x = 37,974.69 × 15,582.51
  4. Step 4: Simplify right side
    27,517.32x = 591,740,986.67
  5. Step 5: Solve for x
    x = 591,740,986.67/27,517.32
  6. Step 6: Final answer
    x = 21,504.31

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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.