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Finding the Fourth Proportional to 17,599.86, 26,399.79 and 14,130.18

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Solution

The fourth proportional to 17,599.86, 26,399.79 and 14,130.18 is: 21,195.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,599.86 : 26,399.79 = 14,130.18 : x
  2. Step 2: Convert to fraction form
    17,599.86/26,399.79 = 14,130.18/x
  3. Step 3: Cross multiply
    17,599.86x = 26,399.79 × 14,130.18
  4. Step 4: Simplify right side
    17,599.86x = 373,033,784.66
  5. Step 5: Solve for x
    x = 373,033,784.66/17,599.86
  6. Step 6: Final answer
    x = 21,195.27

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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.