Home / 31,266.25-43,147.10-16,925.76

Finding the Fourth Proportional to 31,266.25, 43,147.10 and 16,925.76

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Solution

The fourth proportional to 31,266.25, 43,147.10 and 16,925.76 is: 23,357.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,266.25 : 43,147.10 = 16,925.76 : x
  2. Step 2: Convert to fraction form
    31,266.25/43,147.10 = 16,925.76/x
  3. Step 3: Cross multiply
    31,266.25x = 43,147.10 × 16,925.76
  4. Step 4: Simplify right side
    31,266.25x = 730,297,438.14
  5. Step 5: Solve for x
    x = 730,297,438.14/31,266.25
  6. Step 6: Final answer
    x = 23,357.37

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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.