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Finding the Fourth Proportional to 17,059.10, 25,588.65 and 14,143.10

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Solution

The fourth proportional to 17,059.10, 25,588.65 and 14,143.10 is: 21,214.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,059.10 : 25,588.65 = 14,143.10 : x
  2. Step 2: Convert to fraction form
    17,059.10/25,588.65 = 14,143.10/x
  3. Step 3: Cross multiply
    17,059.10x = 25,588.65 × 14,143.10
  4. Step 4: Simplify right side
    17,059.10x = 361,902,835.82
  5. Step 5: Solve for x
    x = 361,902,835.82/17,059.10
  6. Step 6: Final answer
    x = 21,214.65

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Similar ratio
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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.