Home / 29,176.88-40,268.76-16,605.68

Finding the Fourth Proportional to 29,176.88, 40,268.76 and 16,605.68

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Solution

The fourth proportional to 29,176.88, 40,268.76 and 16,605.68 is: 22,918.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,176.88 : 40,268.76 = 16,605.68 : x
  2. Step 2: Convert to fraction form
    29,176.88/40,268.76 = 16,605.68/x
  3. Step 3: Cross multiply
    29,176.88x = 40,268.76 × 16,605.68
  4. Step 4: Simplify right side
    29,176.88x = 668,690,142.56
  5. Step 5: Solve for x
    x = 668,690,142.56/29,176.88
  6. Step 6: Final answer
    x = 22,918.49

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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.