Home / 19,609.18-29,390.42-9,064.44

Finding the Fourth Proportional to 19,609.18, 29,390.42 and 9,064.44

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Solution

The fourth proportional to 19,609.18, 29,390.42 and 9,064.44 is: 13,585.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,609.18 : 29,390.42 = 9,064.44 : x
  2. Step 2: Convert to fraction form
    19,609.18/29,390.42 = 9,064.44/x
  3. Step 3: Cross multiply
    19,609.18x = 29,390.42 × 9,064.44
  4. Step 4: Simplify right side
    19,609.18x = 266,407,721.33
  5. Step 5: Solve for x
    x = 266,407,721.33/19,609.18
  6. Step 6: Final answer
    x = 13,585.87

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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.