Home / 19,434.72-29,150.64-7,750.56

Finding the Fourth Proportional to 19,434.72, 29,150.64 and 7,750.56

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Solution

The fourth proportional to 19,434.72, 29,150.64 and 7,750.56 is: 11,625.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,434.72 : 29,150.64 = 7,750.56 : x
  2. Step 2: Convert to fraction form
    19,434.72/29,150.64 = 7,750.56/x
  3. Step 3: Cross multiply
    19,434.72x = 29,150.64 × 7,750.56
  4. Step 4: Simplify right side
    19,434.72x = 225,933,784.36
  5. Step 5: Solve for x
    x = 225,933,784.36/19,434.72
  6. Step 6: Final answer
    x = 11,625.27

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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.