Home / 19,636.38-29,232.47-19,519.61

Finding the Fourth Proportional to 19,636.38, 29,232.47 and 19,519.61

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Solution

The fourth proportional to 19,636.38, 29,232.47 and 19,519.61 is: 29,058.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,636.38 : 29,232.47 = 19,519.61 : x
  2. Step 2: Convert to fraction form
    19,636.38/29,232.47 = 19,519.61/x
  3. Step 3: Cross multiply
    19,636.38x = 29,232.47 × 19,519.61
  4. Step 4: Simplify right side
    19,636.38x = 570,606,413.74
  5. Step 5: Solve for x
    x = 570,606,413.74/19,636.38
  6. Step 6: Final answer
    x = 29,058.64

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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.