Home / 18,535.28-27,798.72-8,530.41

Finding the Fourth Proportional to 18,535.28, 27,798.72 and 8,530.41

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Solution

The fourth proportional to 18,535.28, 27,798.72 and 8,530.41 is: 12,793.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535.28 : 27,798.72 = 8,530.41 : x
  2. Step 2: Convert to fraction form
    18,535.28/27,798.72 = 8,530.41/x
  3. Step 3: Cross multiply
    18,535.28x = 27,798.72 × 8,530.41
  4. Step 4: Simplify right side
    18,535.28x = 237,134,479.08
  5. Step 5: Solve for x
    x = 237,134,479.08/18,535.28
  6. Step 6: Final answer
    x = 12,793.69

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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.