Home / 19,922.12-29,877.24-6,771.50

Finding the Fourth Proportional to 19,922.12, 29,877.24 and 6,771.50

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Solution

The fourth proportional to 19,922.12, 29,877.24 and 6,771.50 is: 10,155.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.12 : 29,877.24 = 6,771.50 : x
  2. Step 2: Convert to fraction form
    19,922.12/29,877.24 = 6,771.50/x
  3. Step 3: Cross multiply
    19,922.12x = 29,877.24 × 6,771.50
  4. Step 4: Simplify right side
    19,922.12x = 202,313,730.66
  5. Step 5: Solve for x
    x = 202,313,730.66/19,922.12
  6. Step 6: Final answer
    x = 10,155.23

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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.