Home / 29,186.40-43,693.20-19,336.80

Finding the Fourth Proportional to 29,186.40, 43,693.20 and 19,336.80

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Solution

The fourth proportional to 29,186.40, 43,693.20 and 19,336.80 is: 28,947.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,186.40 : 43,693.20 = 19,336.80 : x
  2. Step 2: Convert to fraction form
    29,186.40/43,693.20 = 19,336.80/x
  3. Step 3: Cross multiply
    29,186.40x = 43,693.20 × 19,336.80
  4. Step 4: Simplify right side
    29,186.40x = 844,886,669.76
  5. Step 5: Solve for x
    x = 844,886,669.76/29,186.40
  6. Step 6: Final answer
    x = 28,947.96

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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.