Home / 19,590.43-27,034.52-10,638.28

Finding the Fourth Proportional to 19,590.43, 27,034.52 and 10,638.28

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Solution

The fourth proportional to 19,590.43, 27,034.52 and 10,638.28 is: 14,680.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,590.43 : 27,034.52 = 10,638.28 : x
  2. Step 2: Convert to fraction form
    19,590.43/27,034.52 = 10,638.28/x
  3. Step 3: Cross multiply
    19,590.43x = 27,034.52 × 10,638.28
  4. Step 4: Simplify right side
    19,590.43x = 287,600,793.43
  5. Step 5: Solve for x
    x = 287,600,793.43/19,590.43
  6. Step 6: Final answer
    x = 14,680.68

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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.