Home / 19,766.39-29,661.28-7,295.10

Finding the Fourth Proportional to 19,766.39, 29,661.28 and 7,295.10

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Solution

The fourth proportional to 19,766.39, 29,661.28 and 7,295.10 is: 10,946.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,766.39 : 29,661.28 = 7,295.10 : x
  2. Step 2: Convert to fraction form
    19,766.39/29,661.28 = 7,295.10/x
  3. Step 3: Cross multiply
    19,766.39x = 29,661.28 × 7,295.10
  4. Step 4: Simplify right side
    19,766.39x = 216,382,003.73
  5. Step 5: Solve for x
    x = 216,382,003.73/19,766.39
  6. Step 6: Final answer
    x = 10,946.97

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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.