Home / 19,399.62-29,103.75-10,630.02

Finding the Fourth Proportional to 19,399.62, 29,103.75 and 10,630.02

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Solution

The fourth proportional to 19,399.62, 29,103.75 and 10,630.02 is: 15,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,399.62 : 29,103.75 = 10,630.02 : x
  2. Step 2: Convert to fraction form
    19,399.62/29,103.75 = 10,630.02/x
  3. Step 3: Cross multiply
    19,399.62x = 29,103.75 × 10,630.02
  4. Step 4: Simplify right side
    19,399.62x = 309,373,444.58
  5. Step 5: Solve for x
    x = 309,373,444.58/19,399.62
  6. Step 6: Final answer
    x = 15,947.40

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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.