Home / 26,987.05-37,246.63-15,665.95

Finding the Fourth Proportional to 26,987.05, 37,246.63 and 15,665.95

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Solution

The fourth proportional to 26,987.05, 37,246.63 and 15,665.95 is: 21,621.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,987.05 : 37,246.63 = 15,665.95 : x
  2. Step 2: Convert to fraction form
    26,987.05/37,246.63 = 15,665.95/x
  3. Step 3: Cross multiply
    26,987.05x = 37,246.63 × 15,665.95
  4. Step 4: Simplify right side
    26,987.05x = 583,503,710.97
  5. Step 5: Solve for x
    x = 583,503,710.97/26,987.05
  6. Step 6: Final answer
    x = 21,621.62

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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.