Home / 10,019.94-15,029.19-4,473.78

Finding the Fourth Proportional to 10,019.94, 15,029.19 and 4,473.78

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Solution

The fourth proportional to 10,019.94, 15,029.19 and 4,473.78 is: 6,710.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,019.94 : 15,029.19 = 4,473.78 : x
  2. Step 2: Convert to fraction form
    10,019.94/15,029.19 = 4,473.78/x
  3. Step 3: Cross multiply
    10,019.94x = 15,029.19 × 4,473.78
  4. Step 4: Simplify right side
    10,019.94x = 67,237,289.64
  5. Step 5: Solve for x
    x = 67,237,289.64/10,019.94
  6. Step 6: Final answer
    x = 6,710.35

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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.