Home / 19,650.59-29,458.10-7,167.69

Finding the Fourth Proportional to 19,650.59, 29,458.10 and 7,167.69

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Solution

The fourth proportional to 19,650.59, 29,458.10 and 7,167.69 is: 10,745.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,650.59 : 29,458.10 = 7,167.69 : x
  2. Step 2: Convert to fraction form
    19,650.59/29,458.10 = 7,167.69/x
  3. Step 3: Cross multiply
    19,650.59x = 29,458.10 × 7,167.69
  4. Step 4: Simplify right side
    19,650.59x = 211,146,528.79
  5. Step 5: Solve for x
    x = 211,146,528.79/19,650.59
  6. Step 6: Final answer
    x = 10,745.05

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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.