Home / 19,730.50-29,610.33-9,342.25

Finding the Fourth Proportional to 19,730.50, 29,610.33 and 9,342.25

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Solution

The fourth proportional to 19,730.50, 29,610.33 and 9,342.25 is: 14,020.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,730.50 : 29,610.33 = 9,342.25 : x
  2. Step 2: Convert to fraction form
    19,730.50/29,610.33 = 9,342.25/x
  3. Step 3: Cross multiply
    19,730.50x = 29,610.33 × 9,342.25
  4. Step 4: Simplify right side
    19,730.50x = 276,627,105.44
  5. Step 5: Solve for x
    x = 276,627,105.44/19,730.50
  6. Step 6: Final answer
    x = 14,020.28

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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.