Home / 19,134.18-26,413.50-11,175.12

Finding the Fourth Proportional to 19,134.18, 26,413.50 and 11,175.12

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Solution

The fourth proportional to 19,134.18, 26,413.50 and 11,175.12 is: 15,426.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134.18 : 26,413.50 = 11,175.12 : x
  2. Step 2: Convert to fraction form
    19,134.18/26,413.50 = 11,175.12/x
  3. Step 3: Cross multiply
    19,134.18x = 26,413.50 × 11,175.12
  4. Step 4: Simplify right side
    19,134.18x = 295,174,032.12
  5. Step 5: Solve for x
    x = 295,174,032.12/19,134.18
  6. Step 6: Final answer
    x = 15,426.53

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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.