Home / 31,791.08-47,686.64-11,014.56

Finding the Fourth Proportional to 31,791.08, 47,686.64 and 11,014.56

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Solution

The fourth proportional to 31,791.08, 47,686.64 and 11,014.56 is: 16,521.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,791.08 : 47,686.64 = 11,014.56 : x
  2. Step 2: Convert to fraction form
    31,791.08/47,686.64 = 11,014.56/x
  3. Step 3: Cross multiply
    31,791.08x = 47,686.64 × 11,014.56
  4. Step 4: Simplify right side
    31,791.08x = 525,247,357.48
  5. Step 5: Solve for x
    x = 525,247,357.48/31,791.08
  6. Step 6: Final answer
    x = 16,521.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.