Home / 16,016.20-23,966.89-9,777.78

Finding the Fourth Proportional to 16,016.20, 23,966.89 and 9,777.78

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Solution

The fourth proportional to 16,016.20, 23,966.89 and 9,777.78 is: 14,631.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,016.20 : 23,966.89 = 9,777.78 : x
  2. Step 2: Convert to fraction form
    16,016.20/23,966.89 = 9,777.78/x
  3. Step 3: Cross multiply
    16,016.20x = 23,966.89 × 9,777.78
  4. Step 4: Simplify right side
    16,016.20x = 234,342,953.26
  5. Step 5: Solve for x
    x = 234,342,953.26/16,016.20
  6. Step 6: Final answer
    x = 14,631.62

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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.