Home / 13,527.97-20,277.57-7,983.91

Finding the Fourth Proportional to 13,527.97, 20,277.57 and 7,983.91

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Solution

The fourth proportional to 13,527.97, 20,277.57 and 7,983.91 is: 11,967.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.97 : 20,277.57 = 7,983.91 : x
  2. Step 2: Convert to fraction form
    13,527.97/20,277.57 = 7,983.91/x
  3. Step 3: Cross multiply
    13,527.97x = 20,277.57 × 7,983.91
  4. Step 4: Simplify right side
    13,527.97x = 161,894,293.90
  5. Step 5: Solve for x
    x = 161,894,293.90/13,527.97
  6. Step 6: Final answer
    x = 11,967.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.