Home / 17,939.02-24,755.97-9,981.58

Finding the Fourth Proportional to 17,939.02, 24,755.97 and 9,981.58

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Solution

The fourth proportional to 17,939.02, 24,755.97 and 9,981.58 is: 13,774.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.02 : 24,755.97 = 9,981.58 : x
  2. Step 2: Convert to fraction form
    17,939.02/24,755.97 = 9,981.58/x
  3. Step 3: Cross multiply
    17,939.02x = 24,755.97 × 9,981.58
  4. Step 4: Simplify right side
    17,939.02x = 247,103,695.03
  5. Step 5: Solve for x
    x = 247,103,695.03/17,939.02
  6. Step 6: Final answer
    x = 13,774.65

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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.