Home / 13,251.80-19,848.90-8,048.60

Finding the Fourth Proportional to 13,251.80, 19,848.90 and 8,048.60

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Solution

The fourth proportional to 13,251.80, 19,848.90 and 8,048.60 is: 12,055.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251.80 : 19,848.90 = 8,048.60 : x
  2. Step 2: Convert to fraction form
    13,251.80/19,848.90 = 8,048.60/x
  3. Step 3: Cross multiply
    13,251.80x = 19,848.90 × 8,048.60
  4. Step 4: Simplify right side
    13,251.80x = 159,755,856.54
  5. Step 5: Solve for x
    x = 159,755,856.54/13,251.80
  6. Step 6: Final answer
    x = 12,055.41

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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.