Home / 19,797.18-27,320.28-11,413.68

Finding the Fourth Proportional to 19,797.18, 27,320.28 and 11,413.68

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Solution

The fourth proportional to 19,797.18, 27,320.28 and 11,413.68 is: 15,750.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,797.18 : 27,320.28 = 11,413.68 : x
  2. Step 2: Convert to fraction form
    19,797.18/27,320.28 = 11,413.68/x
  3. Step 3: Cross multiply
    19,797.18x = 27,320.28 × 11,413.68
  4. Step 4: Simplify right side
    19,797.18x = 311,824,933.43
  5. Step 5: Solve for x
    x = 311,824,933.43/19,797.18
  6. Step 6: Final answer
    x = 15,750.98

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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.