Home / 36,947.50-55,433.06-13,239.04

Finding the Fourth Proportional to 36,947.50, 55,433.06 and 13,239.04

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Solution

The fourth proportional to 36,947.50, 55,433.06 and 13,239.04 is: 19,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,947.50 : 55,433.06 = 13,239.04 : x
  2. Step 2: Convert to fraction form
    36,947.50/55,433.06 = 13,239.04/x
  3. Step 3: Cross multiply
    36,947.50x = 55,433.06 × 13,239.04
  4. Step 4: Simplify right side
    36,947.50x = 733,880,498.66
  5. Step 5: Solve for x
    x = 733,880,498.66/36,947.50
  6. Step 6: Final answer
    x = 19,862.79

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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.