Home / 14,680.94-20,259.75-7,966.56

Finding the Fourth Proportional to 14,680.94, 20,259.75 and 7,966.56

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Solution

The fourth proportional to 14,680.94, 20,259.75 and 7,966.56 is: 10,993.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,680.94 : 20,259.75 = 7,966.56 : x
  2. Step 2: Convert to fraction form
    14,680.94/20,259.75 = 7,966.56/x
  3. Step 3: Cross multiply
    14,680.94x = 20,259.75 × 7,966.56
  4. Step 4: Simplify right side
    14,680.94x = 161,400,474.13
  5. Step 5: Solve for x
    x = 161,400,474.13/14,680.94
  6. Step 6: Final answer
    x = 10,993.88

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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.