Home / 19,866.11-27,413.88-10,913.99

Finding the Fourth Proportional to 19,866.11, 27,413.88 and 10,913.99

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Solution

The fourth proportional to 19,866.11, 27,413.88 and 10,913.99 is: 15,060.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.11 : 27,413.88 = 10,913.99 : x
  2. Step 2: Convert to fraction form
    19,866.11/27,413.88 = 10,913.99/x
  3. Step 3: Cross multiply
    19,866.11x = 27,413.88 × 10,913.99
  4. Step 4: Simplify right side
    19,866.11x = 299,194,812.18
  5. Step 5: Solve for x
    x = 299,194,812.18/19,866.11
  6. Step 6: Final answer
    x = 15,060.56

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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.