Home / 19,537.87-26,959.22-11,578.81

Finding the Fourth Proportional to 19,537.87, 26,959.22 and 11,578.81

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Solution

The fourth proportional to 19,537.87, 26,959.22 and 11,578.81 is: 15,976.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,537.87 : 26,959.22 = 11,578.81 : x
  2. Step 2: Convert to fraction form
    19,537.87/26,959.22 = 11,578.81/x
  3. Step 3: Cross multiply
    19,537.87x = 26,959.22 × 11,578.81
  4. Step 4: Simplify right side
    19,537.87x = 312,155,628.23
  5. Step 5: Solve for x
    x = 312,155,628.23/19,537.87
  6. Step 6: Final answer
    x = 15,976.95

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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.