Home / 13,150.08-19,725.12-5,357.52

Finding the Fourth Proportional to 13,150.08, 19,725.12 and 5,357.52

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Solution

The fourth proportional to 13,150.08, 19,725.12 and 5,357.52 is: 8,036.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150.08 : 19,725.12 = 5,357.52 : x
  2. Step 2: Convert to fraction form
    13,150.08/19,725.12 = 5,357.52/x
  3. Step 3: Cross multiply
    13,150.08x = 19,725.12 × 5,357.52
  4. Step 4: Simplify right side
    13,150.08x = 105,677,724.90
  5. Step 5: Solve for x
    x = 105,677,724.90/13,150.08
  6. Step 6: Final answer
    x = 8,036.28

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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.