Home / 17,937.82-24,755.56-9,980.64

Finding the Fourth Proportional to 17,937.82, 24,755.56 and 9,980.64

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Solution

The fourth proportional to 17,937.82, 24,755.56 and 9,980.64 is: 13,774.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,937.82 : 24,755.56 = 9,980.64 : x
  2. Step 2: Convert to fraction form
    17,937.82/24,755.56 = 9,980.64/x
  3. Step 3: Cross multiply
    17,937.82x = 24,755.56 × 9,980.64
  4. Step 4: Simplify right side
    17,937.82x = 247,076,332.36
  5. Step 5: Solve for x
    x = 247,076,332.36/17,937.82
  6. Step 6: Final answer
    x = 13,774.04

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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.