Home / 19,353.15-29,010.59-9,339.42

Finding the Fourth Proportional to 19,353.15, 29,010.59 and 9,339.42

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Solution

The fourth proportional to 19,353.15, 29,010.59 and 9,339.42 is: 13,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,353.15 : 29,010.59 = 9,339.42 : x
  2. Step 2: Convert to fraction form
    19,353.15/29,010.59 = 9,339.42/x
  3. Step 3: Cross multiply
    19,353.15x = 29,010.59 × 9,339.42
  4. Step 4: Simplify right side
    19,353.15x = 270,942,181.57
  5. Step 5: Solve for x
    x = 270,942,181.57/19,353.15
  6. Step 6: Final answer
    x = 13,999.90

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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.