Home / 19,643.52-27,108.18-10,691.08

Finding the Fourth Proportional to 19,643.52, 27,108.18 and 10,691.08

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Solution

The fourth proportional to 19,643.52, 27,108.18 and 10,691.08 is: 14,753.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,643.52 : 27,108.18 = 10,691.08 : x
  2. Step 2: Convert to fraction form
    19,643.52/27,108.18 = 10,691.08/x
  3. Step 3: Cross multiply
    19,643.52x = 27,108.18 × 10,691.08
  4. Step 4: Simplify right side
    19,643.52x = 289,815,721.03
  5. Step 5: Solve for x
    x = 289,815,721.03/19,643.52
  6. Step 6: Final answer
    x = 14,753.76

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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.