Home / 29,142.06-40,215.99-16,395.26

Finding the Fourth Proportional to 29,142.06, 40,215.99 and 16,395.26

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Solution

The fourth proportional to 29,142.06, 40,215.99 and 16,395.26 is: 22,625.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,142.06 : 40,215.99 = 16,395.26 : x
  2. Step 2: Convert to fraction form
    29,142.06/40,215.99 = 16,395.26/x
  3. Step 3: Cross multiply
    29,142.06x = 40,215.99 × 16,395.26
  4. Step 4: Simplify right side
    29,142.06x = 659,351,612.21
  5. Step 5: Solve for x
    x = 659,351,612.21/29,142.06
  6. Step 6: Final answer
    x = 22,625.43

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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.