Home / 29,001.80-40,022.48-16,426.55

Finding the Fourth Proportional to 29,001.80, 40,022.48 and 16,426.55

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Solution

The fourth proportional to 29,001.80, 40,022.48 and 16,426.55 is: 22,668.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,001.80 : 40,022.48 = 16,426.55 : x
  2. Step 2: Convert to fraction form
    29,001.80/40,022.48 = 16,426.55/x
  3. Step 3: Cross multiply
    29,001.80x = 40,022.48 × 16,426.55
  4. Step 4: Simplify right side
    29,001.80x = 657,431,138.64
  5. Step 5: Solve for x
    x = 657,431,138.64/29,001.80
  6. Step 6: Final answer
    x = 22,668.63

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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.