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Finding the Fourth Proportional to 18,509.92, 27,764.88 and 14,794.75

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Solution

The fourth proportional to 18,509.92, 27,764.88 and 14,794.75 is: 22,192.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,509.92 : 27,764.88 = 14,794.75 : x
  2. Step 2: Convert to fraction form
    18,509.92/27,764.88 = 14,794.75/x
  3. Step 3: Cross multiply
    18,509.92x = 27,764.88 × 14,794.75
  4. Step 4: Simplify right side
    18,509.92x = 410,774,437.61
  5. Step 5: Solve for x
    x = 410,774,437.61/18,509.92
  6. Step 6: Final answer
    x = 22,192.13

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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.