Home / 19,864.13-27,413.22-11,904.81

Finding the Fourth Proportional to 19,864.13, 27,413.22 and 11,904.81

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Solution

The fourth proportional to 19,864.13, 27,413.22 and 11,904.81 is: 16,429.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.13 : 27,413.22 = 11,904.81 : x
  2. Step 2: Convert to fraction form
    19,864.13/27,413.22 = 11,904.81/x
  3. Step 3: Cross multiply
    19,864.13x = 27,413.22 × 11,904.81
  4. Step 4: Simplify right side
    19,864.13x = 326,349,175.59
  5. Step 5: Solve for x
    x = 326,349,175.59/19,864.13
  6. Step 6: Final answer
    x = 16,429.07

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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.