Home / 19,548.70-29,320.72-5,509.78

Finding the Fourth Proportional to 19,548.70, 29,320.72 and 5,509.78

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Solution

The fourth proportional to 19,548.70, 29,320.72 and 5,509.78 is: 8,264.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,548.70 : 29,320.72 = 5,509.78 : x
  2. Step 2: Convert to fraction form
    19,548.70/29,320.72 = 5,509.78/x
  3. Step 3: Cross multiply
    19,548.70x = 29,320.72 × 5,509.78
  4. Step 4: Simplify right side
    19,548.70x = 161,550,629.57
  5. Step 5: Solve for x
    x = 161,550,629.57/19,548.70
  6. Step 6: Final answer
    x = 8,264.01

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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.