Home / 17,495.20-24,126.60-11,520.88

Finding the Fourth Proportional to 17,495.20, 24,126.60 and 11,520.88

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Solution

The fourth proportional to 17,495.20, 24,126.60 and 11,520.88 is: 15,887.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,495.20 : 24,126.60 = 11,520.88 : x
  2. Step 2: Convert to fraction form
    17,495.20/24,126.60 = 11,520.88/x
  3. Step 3: Cross multiply
    17,495.20x = 24,126.60 × 11,520.88
  4. Step 4: Simplify right side
    17,495.20x = 277,959,663.41
  5. Step 5: Solve for x
    x = 277,959,663.41/17,495.20
  6. Step 6: Final answer
    x = 15,887.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.