Home / 19,551.84-26,983.71-11,168.34

Finding the Fourth Proportional to 19,551.84, 26,983.71 and 11,168.34

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Solution

The fourth proportional to 19,551.84, 26,983.71 and 11,168.34 is: 15,413.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,551.84 : 26,983.71 = 11,168.34 : x
  2. Step 2: Convert to fraction form
    19,551.84/26,983.71 = 11,168.34/x
  3. Step 3: Cross multiply
    19,551.84x = 26,983.71 × 11,168.34
  4. Step 4: Simplify right side
    19,551.84x = 301,363,247.74
  5. Step 5: Solve for x
    x = 301,363,247.74/19,551.84
  6. Step 6: Final answer
    x = 15,413.55

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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.