Home / 29,412.70-40,588.21-16,665.64

Finding the Fourth Proportional to 29,412.70, 40,588.21 and 16,665.64

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Solution

The fourth proportional to 29,412.70, 40,588.21 and 16,665.64 is: 22,997.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,412.70 : 40,588.21 = 16,665.64 : x
  2. Step 2: Convert to fraction form
    29,412.70/40,588.21 = 16,665.64/x
  3. Step 3: Cross multiply
    29,412.70x = 40,588.21 × 16,665.64
  4. Step 4: Simplify right side
    29,412.70x = 676,428,496.10
  5. Step 5: Solve for x
    x = 676,428,496.10/29,412.70
  6. Step 6: Final answer
    x = 22,997.84

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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.