Home / 13,152.26-19,729.74-4,384.82

Finding the Fourth Proportional to 13,152.26, 19,729.74 and 4,384.82

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Solution

The fourth proportional to 13,152.26, 19,729.74 and 4,384.82 is: 6,577.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152.26 : 19,729.74 = 4,384.82 : x
  2. Step 2: Convert to fraction form
    13,152.26/19,729.74 = 4,384.82/x
  3. Step 3: Cross multiply
    13,152.26x = 19,729.74 × 4,384.82
  4. Step 4: Simplify right side
    13,152.26x = 86,511,358.55
  5. Step 5: Solve for x
    x = 86,511,358.55/13,152.26
  6. Step 6: Final answer
    x = 6,577.68

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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.