Home / 19,845.20-29,592.46-19,667.12

Finding the Fourth Proportional to 19,845.20, 29,592.46 and 19,667.12

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Solution

The fourth proportional to 19,845.20, 29,592.46 and 19,667.12 is: 29,326.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,845.20 : 29,592.46 = 19,667.12 : x
  2. Step 2: Convert to fraction form
    19,845.20/29,592.46 = 19,667.12/x
  3. Step 3: Cross multiply
    19,845.20x = 29,592.46 × 19,667.12
  4. Step 4: Simplify right side
    19,845.20x = 581,998,461.92
  5. Step 5: Solve for x
    x = 581,998,461.92/19,845.20
  6. Step 6: Final answer
    x = 29,326.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.