Home / 19,843.52-27,384.75-10,891.26

Finding the Fourth Proportional to 19,843.52, 27,384.75 and 10,891.26

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Solution

The fourth proportional to 19,843.52, 27,384.75 and 10,891.26 is: 15,030.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,843.52 : 27,384.75 = 10,891.26 : x
  2. Step 2: Convert to fraction form
    19,843.52/27,384.75 = 10,891.26/x
  3. Step 3: Cross multiply
    19,843.52x = 27,384.75 × 10,891.26
  4. Step 4: Simplify right side
    19,843.52x = 298,254,432.29
  5. Step 5: Solve for x
    x = 298,254,432.29/19,843.52
  6. Step 6: Final answer
    x = 15,030.32

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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.