Home / 13,152.12-19,725.52-4,829.28

Finding the Fourth Proportional to 13,152.12, 19,725.52 and 4,829.28

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Solution

The fourth proportional to 13,152.12, 19,725.52 and 4,829.28 is: 7,242.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152.12 : 19,725.52 = 4,829.28 : x
  2. Step 2: Convert to fraction form
    13,152.12/19,725.52 = 4,829.28/x
  3. Step 3: Cross multiply
    13,152.12x = 19,725.52 × 4,829.28
  4. Step 4: Simplify right side
    13,152.12x = 95,260,059.23
  5. Step 5: Solve for x
    x = 95,260,059.23/13,152.12
  6. Step 6: Final answer
    x = 7,242.94

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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.