Home / 14,121.06-19,487.16-7,833.84

Finding the Fourth Proportional to 14,121.06, 19,487.16 and 7,833.84

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Solution

The fourth proportional to 14,121.06, 19,487.16 and 7,833.84 is: 10,810.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.06 : 19,487.16 = 7,833.84 : x
  2. Step 2: Convert to fraction form
    14,121.06/19,487.16 = 7,833.84/x
  3. Step 3: Cross multiply
    14,121.06x = 19,487.16 × 7,833.84
  4. Step 4: Simplify right side
    14,121.06x = 152,659,293.49
  5. Step 5: Solve for x
    x = 152,659,293.49/14,121.06
  6. Step 6: Final answer
    x = 10,810.75

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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.