Home / 13,981.96-19,293.96-8,674.84

Finding the Fourth Proportional to 13,981.96, 19,293.96 and 8,674.84

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Solution

The fourth proportional to 13,981.96, 19,293.96 and 8,674.84 is: 11,970.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981.96 : 19,293.96 = 8,674.84 : x
  2. Step 2: Convert to fraction form
    13,981.96/19,293.96 = 8,674.84/x
  3. Step 3: Cross multiply
    13,981.96x = 19,293.96 × 8,674.84
  4. Step 4: Simplify right side
    13,981.96x = 167,372,015.97
  5. Step 5: Solve for x
    x = 167,372,015.97/13,981.96
  6. Step 6: Final answer
    x = 11,970.57

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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.