Home / 19,673.52-27,149.12-10,721.08

Finding the Fourth Proportional to 19,673.52, 27,149.12 and 10,721.08

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Solution

The fourth proportional to 19,673.52, 27,149.12 and 10,721.08 is: 14,794.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,673.52 : 27,149.12 = 10,721.08 : x
  2. Step 2: Convert to fraction form
    19,673.52/27,149.12 = 10,721.08/x
  3. Step 3: Cross multiply
    19,673.52x = 27,149.12 × 10,721.08
  4. Step 4: Simplify right side
    19,673.52x = 291,067,887.45
  5. Step 5: Solve for x
    x = 291,067,887.45/19,673.52
  6. Step 6: Final answer
    x = 14,794.91

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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.