Home / 29,278.80-40,403.88-16,532.51

Finding the Fourth Proportional to 29,278.80, 40,403.88 and 16,532.51

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Solution

The fourth proportional to 29,278.80, 40,403.88 and 16,532.51 is: 22,814.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,278.80 : 40,403.88 = 16,532.51 : x
  2. Step 2: Convert to fraction form
    29,278.80/40,403.88 = 16,532.51/x
  3. Step 3: Cross multiply
    29,278.80x = 40,403.88 × 16,532.51
  4. Step 4: Simplify right side
    29,278.80x = 667,977,348.12
  5. Step 5: Solve for x
    x = 667,977,348.12/29,278.80
  6. Step 6: Final answer
    x = 22,814.37

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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.