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Finding the Fourth Proportional to 14,812.94, 22,224.90 and 6,919.91

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Solution

The fourth proportional to 14,812.94, 22,224.90 and 6,919.91 is: 10,382.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,812.94 : 22,224.90 = 6,919.91 : x
  2. Step 2: Convert to fraction form
    14,812.94/22,224.90 = 6,919.91/x
  3. Step 3: Cross multiply
    14,812.94x = 22,224.90 × 6,919.91
  4. Step 4: Simplify right side
    14,812.94x = 153,794,307.76
  5. Step 5: Solve for x
    x = 153,794,307.76/14,812.94
  6. Step 6: Final answer
    x = 10,382.43

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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.