Home / 19,439.97-29,156.64-5,208.54

Finding the Fourth Proportional to 19,439.97, 29,156.64 and 5,208.54

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Solution

The fourth proportional to 19,439.97, 29,156.64 and 5,208.54 is: 7,811.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,439.97 : 29,156.64 = 5,208.54 : x
  2. Step 2: Convert to fraction form
    19,439.97/29,156.64 = 5,208.54/x
  3. Step 3: Cross multiply
    19,439.97x = 29,156.64 × 5,208.54
  4. Step 4: Simplify right side
    19,439.97x = 151,863,525.71
  5. Step 5: Solve for x
    x = 151,863,525.71/19,439.97
  6. Step 6: Final answer
    x = 7,811.92

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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.