Home / 19,928.53-29,872.29-8,840.44

Finding the Fourth Proportional to 19,928.53, 29,872.29 and 8,840.44

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Solution

The fourth proportional to 19,928.53, 29,872.29 and 8,840.44 is: 13,251.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.53 : 29,872.29 = 8,840.44 : x
  2. Step 2: Convert to fraction form
    19,928.53/29,872.29 = 8,840.44/x
  3. Step 3: Cross multiply
    19,928.53x = 29,872.29 × 8,840.44
  4. Step 4: Simplify right side
    19,928.53x = 264,084,090.63
  5. Step 5: Solve for x
    x = 264,084,090.63/19,928.53
  6. Step 6: Final answer
    x = 13,251.56

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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.