Home / 29,186.72-43,781.02-11,416.68

Finding the Fourth Proportional to 29,186.72, 43,781.02 and 11,416.68

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Solution

The fourth proportional to 29,186.72, 43,781.02 and 11,416.68 is: 17,125.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,186.72 : 43,781.02 = 11,416.68 : x
  2. Step 2: Convert to fraction form
    29,186.72/43,781.02 = 11,416.68/x
  3. Step 3: Cross multiply
    29,186.72x = 43,781.02 × 11,416.68
  4. Step 4: Simplify right side
    29,186.72x = 499,833,895.41
  5. Step 5: Solve for x
    x = 499,833,895.41/29,186.72
  6. Step 6: Final answer
    x = 17,125.39

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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.