Home / 27,182.70-37,512.15-15,859.98

Finding the Fourth Proportional to 27,182.70, 37,512.15 and 15,859.98

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Solution

The fourth proportional to 27,182.70, 37,512.15 and 15,859.98 is: 21,886.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,182.70 : 37,512.15 = 15,859.98 : x
  2. Step 2: Convert to fraction form
    27,182.70/37,512.15 = 15,859.98/x
  3. Step 3: Cross multiply
    27,182.70x = 37,512.15 × 15,859.98
  4. Step 4: Simplify right side
    27,182.70x = 594,941,948.76
  5. Step 5: Solve for x
    x = 594,941,948.76/27,182.70
  6. Step 6: Final answer
    x = 21,886.79

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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.