Home / 27,289.23-40,940.65-9,520.14

Finding the Fourth Proportional to 27,289.23, 40,940.65 and 9,520.14

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Solution

The fourth proportional to 27,289.23, 40,940.65 and 9,520.14 is: 14,282.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,289.23 : 40,940.65 = 9,520.14 : x
  2. Step 2: Convert to fraction form
    27,289.23/40,940.65 = 9,520.14/x
  3. Step 3: Cross multiply
    27,289.23x = 40,940.65 × 9,520.14
  4. Step 4: Simplify right side
    27,289.23x = 389,760,719.69
  5. Step 5: Solve for x
    x = 389,760,719.69/27,289.23
  6. Step 6: Final answer
    x = 14,282.58

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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.