Home / 27,260.98-37,619.19-15,161.40

Finding the Fourth Proportional to 27,260.98, 37,619.19 and 15,161.40

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Solution

The fourth proportional to 27,260.98, 37,619.19 and 15,161.40 is: 20,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,260.98 : 37,619.19 = 15,161.40 : x
  2. Step 2: Convert to fraction form
    27,260.98/37,619.19 = 15,161.40/x
  3. Step 3: Cross multiply
    27,260.98x = 37,619.19 × 15,161.40
  4. Step 4: Simplify right side
    27,260.98x = 570,359,587.27
  5. Step 5: Solve for x
    x = 570,359,587.27/27,260.98
  6. Step 6: Final answer
    x = 20,922.20

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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.