Home / 18,150.28-27,228.86-6,303.60

Finding the Fourth Proportional to 18,150.28, 27,228.86 and 6,303.60

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Solution

The fourth proportional to 18,150.28, 27,228.86 and 6,303.60 is: 9,456.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150.28 : 27,228.86 = 6,303.60 : x
  2. Step 2: Convert to fraction form
    18,150.28/27,228.86 = 6,303.60/x
  3. Step 3: Cross multiply
    18,150.28x = 27,228.86 × 6,303.60
  4. Step 4: Simplify right side
    18,150.28x = 171,639,841.90
  5. Step 5: Solve for x
    x = 171,639,841.90/18,150.28
  6. Step 6: Final answer
    x = 9,456.59

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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.