Home / 13,316.31-19,983.38-5,525.12

Finding the Fourth Proportional to 13,316.31, 19,983.38 and 5,525.12

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Solution

The fourth proportional to 13,316.31, 19,983.38 and 5,525.12 is: 8,291.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316.31 : 19,983.38 = 5,525.12 : x
  2. Step 2: Convert to fraction form
    13,316.31/19,983.38 = 5,525.12/x
  3. Step 3: Cross multiply
    13,316.31x = 19,983.38 × 5,525.12
  4. Step 4: Simplify right side
    13,316.31x = 110,410,594.84
  5. Step 5: Solve for x
    x = 110,410,594.84/13,316.31
  6. Step 6: Final answer
    x = 8,291.38

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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.