Home / 13,269.36-19,888.88-5,468.48

Finding the Fourth Proportional to 13,269.36, 19,888.88 and 5,468.48

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Solution

The fourth proportional to 13,269.36, 19,888.88 and 5,468.48 is: 8,196.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.36 : 19,888.88 = 5,468.48 : x
  2. Step 2: Convert to fraction form
    13,269.36/19,888.88 = 5,468.48/x
  3. Step 3: Cross multiply
    13,269.36x = 19,888.88 × 5,468.48
  4. Step 4: Simplify right side
    13,269.36x = 108,761,942.50
  5. Step 5: Solve for x
    x = 108,761,942.50/13,269.36
  6. Step 6: Final answer
    x = 8,196.47

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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.