Home / 19,946.73-29,920.10-15,567.87

Finding the Fourth Proportional to 19,946.73, 29,920.10 and 15,567.87

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Solution

The fourth proportional to 19,946.73, 29,920.10 and 15,567.87 is: 23,351.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,946.73 : 29,920.10 = 15,567.87 : x
  2. Step 2: Convert to fraction form
    19,946.73/29,920.10 = 15,567.87/x
  3. Step 3: Cross multiply
    19,946.73x = 29,920.10 × 15,567.87
  4. Step 4: Simplify right side
    19,946.73x = 465,792,227.19
  5. Step 5: Solve for x
    x = 465,792,227.19/19,946.73
  6. Step 6: Final answer
    x = 23,351.81

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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.