Home / 22,911.52-34,394.64-18,288.64

Finding the Fourth Proportional to 22,911.52, 34,394.64 and 18,288.64

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Solution

The fourth proportional to 22,911.52, 34,394.64 and 18,288.64 is: 27,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,911.52 : 34,394.64 = 18,288.64 : x
  2. Step 2: Convert to fraction form
    22,911.52/34,394.64 = 18,288.64/x
  3. Step 3: Cross multiply
    22,911.52x = 34,394.64 × 18,288.64
  4. Step 4: Simplify right side
    22,911.52x = 629,031,188.89
  5. Step 5: Solve for x
    x = 629,031,188.89/22,911.52
  6. Step 6: Final answer
    x = 27,454.80

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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.