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Finding the Fourth Proportional to 17,586.40, 26,444.40 and 14,735.20

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Solution

The fourth proportional to 17,586.40, 26,444.40 and 14,735.20 is: 22,157.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,586.40 : 26,444.40 = 14,735.20 : x
  2. Step 2: Convert to fraction form
    17,586.40/26,444.40 = 14,735.20/x
  3. Step 3: Cross multiply
    17,586.40x = 26,444.40 × 14,735.20
  4. Step 4: Simplify right side
    17,586.40x = 389,663,522.88
  5. Step 5: Solve for x
    x = 389,663,522.88/17,586.40
  6. Step 6: Final answer
    x = 22,157.09

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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.