Home / 13,975.52-20,954.63-6,581.84

Finding the Fourth Proportional to 13,975.52, 20,954.63 and 6,581.84

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Solution

The fourth proportional to 13,975.52, 20,954.63 and 6,581.84 is: 9,868.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.52 : 20,954.63 = 6,581.84 : x
  2. Step 2: Convert to fraction form
    13,975.52/20,954.63 = 6,581.84/x
  3. Step 3: Cross multiply
    13,975.52x = 20,954.63 × 6,581.84
  4. Step 4: Simplify right side
    13,975.52x = 137,919,884.24
  5. Step 5: Solve for x
    x = 137,919,884.24/13,975.52
  6. Step 6: Final answer
    x = 9,868.68

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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.