Home / 19,845.19-29,764.54-5,801.88

Finding the Fourth Proportional to 19,845.19, 29,764.54 and 5,801.88

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Solution

The fourth proportional to 19,845.19, 29,764.54 and 5,801.88 is: 8,701.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,845.19 : 29,764.54 = 5,801.88 : x
  2. Step 2: Convert to fraction form
    19,845.19/29,764.54 = 5,801.88/x
  3. Step 3: Cross multiply
    19,845.19x = 29,764.54 × 5,801.88
  4. Step 4: Simplify right side
    19,845.19x = 172,690,289.34
  5. Step 5: Solve for x
    x = 172,690,289.34/19,845.19
  6. Step 6: Final answer
    x = 8,701.87

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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.