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Finding the Fourth Proportional to 14,805.86, 22,219.79 and 7,014.70

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Solution

The fourth proportional to 14,805.86, 22,219.79 and 7,014.70 is: 10,527.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,805.86 : 22,219.79 = 7,014.70 : x
  2. Step 2: Convert to fraction form
    14,805.86/22,219.79 = 7,014.70/x
  3. Step 3: Cross multiply
    14,805.86x = 22,219.79 × 7,014.70
  4. Step 4: Simplify right side
    14,805.86x = 155,865,160.91
  5. Step 5: Solve for x
    x = 155,865,160.91/14,805.86
  6. Step 6: Final answer
    x = 10,527.26

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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.