Home / 39,445.12-59,164.44-11,743.12

Finding the Fourth Proportional to 39,445.12, 59,164.44 and 11,743.12

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Solution

The fourth proportional to 39,445.12, 59,164.44 and 11,743.12 is: 17,613.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,445.12 : 59,164.44 = 11,743.12 : x
  2. Step 2: Convert to fraction form
    39,445.12/59,164.44 = 11,743.12/x
  3. Step 3: Cross multiply
    39,445.12x = 59,164.44 × 11,743.12
  4. Step 4: Simplify right side
    39,445.12x = 694,775,118.65
  5. Step 5: Solve for x
    x = 694,775,118.65/39,445.12
  6. Step 6: Final answer
    x = 17,613.72

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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.