Home / 18,391.08-27,586.14-5,911.08

Finding the Fourth Proportional to 18,391.08, 27,586.14 and 5,911.08

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Solution

The fourth proportional to 18,391.08, 27,586.14 and 5,911.08 is: 8,866.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,391.08 : 27,586.14 = 5,911.08 : x
  2. Step 2: Convert to fraction form
    18,391.08/27,586.14 = 5,911.08/x
  3. Step 3: Cross multiply
    18,391.08x = 27,586.14 × 5,911.08
  4. Step 4: Simplify right side
    18,391.08x = 163,063,880.43
  5. Step 5: Solve for x
    x = 163,063,880.43/18,391.08
  6. Step 6: Final answer
    x = 8,866.47

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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.