Home / 29,615.36-40,869.83-16,186.61

Finding the Fourth Proportional to 29,615.36, 40,869.83 and 16,186.61

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Solution

The fourth proportional to 29,615.36, 40,869.83 and 16,186.61 is: 22,337.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,615.36 : 40,869.83 = 16,186.61 : x
  2. Step 2: Convert to fraction form
    29,615.36/40,869.83 = 16,186.61/x
  3. Step 3: Cross multiply
    29,615.36x = 40,869.83 × 16,186.61
  4. Step 4: Simplify right side
    29,615.36x = 661,543,835.09
  5. Step 5: Solve for x
    x = 661,543,835.09/29,615.36
  6. Step 6: Final answer
    x = 22,337.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.