Home / 19,922.55-29,876.86-5,878.85

Finding the Fourth Proportional to 19,922.55, 29,876.86 and 5,878.85

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Solution

The fourth proportional to 19,922.55, 29,876.86 and 5,878.85 is: 8,816.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.55 : 29,876.86 = 5,878.85 : x
  2. Step 2: Convert to fraction form
    19,922.55/29,876.86 = 5,878.85/x
  3. Step 3: Cross multiply
    19,922.55x = 29,876.86 × 5,878.85
  4. Step 4: Simplify right side
    19,922.55x = 175,641,549.02
  5. Step 5: Solve for x
    x = 175,641,549.02/19,922.55
  6. Step 6: Final answer
    x = 8,816.22

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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.