Home / 50,657.20-75,985.83-13,217.18

Finding the Fourth Proportional to 50,657.20, 75,985.83 and 13,217.18

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Solution

The fourth proportional to 50,657.20, 75,985.83 and 13,217.18 is: 19,825.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,657.20 : 75,985.83 = 13,217.18 : x
  2. Step 2: Convert to fraction form
    50,657.20/75,985.83 = 13,217.18/x
  3. Step 3: Cross multiply
    50,657.20x = 75,985.83 × 13,217.18
  4. Step 4: Simplify right side
    50,657.20x = 1,004,318,012.63
  5. Step 5: Solve for x
    x = 1,004,318,012.63/50,657.20
  6. Step 6: Final answer
    x = 19,825.77

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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.