Home / 19,451.17-26,834.12-11,897.83

Finding the Fourth Proportional to 19,451.17, 26,834.12 and 11,897.83

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Solution

The fourth proportional to 19,451.17, 26,834.12 and 11,897.83 is: 16,413.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,451.17 : 26,834.12 = 11,897.83 : x
  2. Step 2: Convert to fraction form
    19,451.17/26,834.12 = 11,897.83/x
  3. Step 3: Cross multiply
    19,451.17x = 26,834.12 × 11,897.83
  4. Step 4: Simplify right side
    19,451.17x = 319,267,693.53
  5. Step 5: Solve for x
    x = 319,267,693.53/19,451.17
  6. Step 6: Final answer
    x = 16,413.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.