Home / 19,822.04-29,728.46-5,778.44

Finding the Fourth Proportional to 19,822.04, 29,728.46 and 5,778.44

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Solution

The fourth proportional to 19,822.04, 29,728.46 and 5,778.44 is: 8,666.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,822.04 : 29,728.46 = 5,778.44 : x
  2. Step 2: Convert to fraction form
    19,822.04/29,728.46 = 5,778.44/x
  3. Step 3: Cross multiply
    19,822.04x = 29,728.46 × 5,778.44
  4. Step 4: Simplify right side
    19,822.04x = 171,784,122.40
  5. Step 5: Solve for x
    x = 171,784,122.40/19,822.04
  6. Step 6: Final answer
    x = 8,666.32

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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.