Home / 13,316.94-19,984.32-5,525.76

Finding the Fourth Proportional to 13,316.94, 19,984.32 and 5,525.76

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Solution

The fourth proportional to 13,316.94, 19,984.32 and 5,525.76 is: 8,292.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316.94 : 19,984.32 = 5,525.76 : x
  2. Step 2: Convert to fraction form
    13,316.94/19,984.32 = 5,525.76/x
  3. Step 3: Cross multiply
    13,316.94x = 19,984.32 × 5,525.76
  4. Step 4: Simplify right side
    13,316.94x = 110,428,456.16
  5. Step 5: Solve for x
    x = 110,428,456.16/13,316.94
  6. Step 6: Final answer
    x = 8,292.33

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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.