Home / 18,325.20-27,505.80-9,567.12

Finding the Fourth Proportional to 18,325.20, 27,505.80 and 9,567.12

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Solution

The fourth proportional to 18,325.20, 27,505.80 and 9,567.12 is: 14,360.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.20 : 27,505.80 = 9,567.12 : x
  2. Step 2: Convert to fraction form
    18,325.20/27,505.80 = 9,567.12/x
  3. Step 3: Cross multiply
    18,325.20x = 27,505.80 × 9,567.12
  4. Step 4: Simplify right side
    18,325.20x = 263,151,289.30
  5. Step 5: Solve for x
    x = 263,151,289.30/18,325.20
  6. Step 6: Final answer
    x = 14,360.08

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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.