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Finding the Fourth Proportional to 14,861.65, 22,278.59 and 7,457.44

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Solution

The fourth proportional to 14,861.65, 22,278.59 and 7,457.44 is: 11,179.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,861.65 : 22,278.59 = 7,457.44 : x
  2. Step 2: Convert to fraction form
    14,861.65/22,278.59 = 7,457.44/x
  3. Step 3: Cross multiply
    14,861.65x = 22,278.59 × 7,457.44
  4. Step 4: Simplify right side
    14,861.65x = 166,141,248.21
  5. Step 5: Solve for x
    x = 166,141,248.21/14,861.65
  6. Step 6: Final answer
    x = 11,179.19

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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.