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Finding the Fourth Proportional to 14,598.97, 21,916.68 and 9,899.65

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Solution

The fourth proportional to 14,598.97, 21,916.68 and 9,899.65 is: 14,861.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,598.97 : 21,916.68 = 9,899.65 : x
  2. Step 2: Convert to fraction form
    14,598.97/21,916.68 = 9,899.65/x
  3. Step 3: Cross multiply
    14,598.97x = 21,916.68 × 9,899.65
  4. Step 4: Simplify right side
    14,598.97x = 216,967,451.43
  5. Step 5: Solve for x
    x = 216,967,451.43/14,598.97
  6. Step 6: Final answer
    x = 14,861.84

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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.