Home / 13,583.55-20,387.52-6,924.48

Finding the Fourth Proportional to 13,583.55, 20,387.52 and 6,924.48

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Solution

The fourth proportional to 13,583.55, 20,387.52 and 6,924.48 is: 10,392.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583.55 : 20,387.52 = 6,924.48 : x
  2. Step 2: Convert to fraction form
    13,583.55/20,387.52 = 6,924.48/x
  3. Step 3: Cross multiply
    13,583.55x = 20,387.52 × 6,924.48
  4. Step 4: Simplify right side
    13,583.55x = 141,172,974.49
  5. Step 5: Solve for x
    x = 141,172,974.49/13,583.55
  6. Step 6: Final answer
    x = 10,392.94

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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.