Home / 19,360.31-29,023.26-6,878.69

Finding the Fourth Proportional to 19,360.31, 29,023.26 and 6,878.69

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Solution

The fourth proportional to 19,360.31, 29,023.26 and 6,878.69 is: 10,311.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360.31 : 29,023.26 = 6,878.69 : x
  2. Step 2: Convert to fraction form
    19,360.31/29,023.26 = 6,878.69/x
  3. Step 3: Cross multiply
    19,360.31x = 29,023.26 × 6,878.69
  4. Step 4: Simplify right side
    19,360.31x = 199,642,008.33
  5. Step 5: Solve for x
    x = 199,642,008.33/19,360.31
  6. Step 6: Final answer
    x = 10,311.92

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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.