Home / 31,474.24-47,211.49-12,754.63

Finding the Fourth Proportional to 31,474.24, 47,211.49 and 12,754.63

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Solution

The fourth proportional to 31,474.24, 47,211.49 and 12,754.63 is: 19,132.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,474.24 : 47,211.49 = 12,754.63 : x
  2. Step 2: Convert to fraction form
    31,474.24/47,211.49 = 12,754.63/x
  3. Step 3: Cross multiply
    31,474.24x = 47,211.49 × 12,754.63
  4. Step 4: Simplify right side
    31,474.24x = 602,165,161.66
  5. Step 5: Solve for x
    x = 602,165,161.66/31,474.24
  6. Step 6: Final answer
    x = 19,132.00

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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.