Home / 19,529.40-29,285.46-5,679.48

Finding the Fourth Proportional to 19,529.40, 29,285.46 and 5,679.48

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Solution

The fourth proportional to 19,529.40, 29,285.46 and 5,679.48 is: 8,516.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,529.40 : 29,285.46 = 5,679.48 : x
  2. Step 2: Convert to fraction form
    19,529.40/29,285.46 = 5,679.48/x
  3. Step 3: Cross multiply
    19,529.40x = 29,285.46 × 5,679.48
  4. Step 4: Simplify right side
    19,529.40x = 166,326,184.36
  5. Step 5: Solve for x
    x = 166,326,184.36/19,529.40
  6. Step 6: Final answer
    x = 8,516.71

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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.