Home / 19,339.76-29,010.25-6,859.59

Finding the Fourth Proportional to 19,339.76, 29,010.25 and 6,859.59

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Solution

The fourth proportional to 19,339.76, 29,010.25 and 6,859.59 is: 10,289.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339.76 : 29,010.25 = 6,859.59 : x
  2. Step 2: Convert to fraction form
    19,339.76/29,010.25 = 6,859.59/x
  3. Step 3: Cross multiply
    19,339.76x = 29,010.25 × 6,859.59
  4. Step 4: Simplify right side
    19,339.76x = 198,998,320.58
  5. Step 5: Solve for x
    x = 198,998,320.58/19,339.76
  6. Step 6: Final answer
    x = 10,289.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.