Home / 20,056.52-30,083.84-9,518.82

Finding the Fourth Proportional to 20,056.52, 30,083.84 and 9,518.82

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Solution

The fourth proportional to 20,056.52, 30,083.84 and 9,518.82 is: 14,277.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,056.52 : 30,083.84 = 9,518.82 : x
  2. Step 2: Convert to fraction form
    20,056.52/30,083.84 = 9,518.82/x
  3. Step 3: Cross multiply
    20,056.52x = 30,083.84 × 9,518.82
  4. Step 4: Simplify right side
    20,056.52x = 286,362,657.87
  5. Step 5: Solve for x
    x = 286,362,657.87/20,056.52
  6. Step 6: Final answer
    x = 14,277.78

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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.