Home / 17,781.02-24,536.88-9,821.70

Finding the Fourth Proportional to 17,781.02, 24,536.88 and 9,821.70

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Solution

The fourth proportional to 17,781.02, 24,536.88 and 9,821.70 is: 13,553.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,781.02 : 24,536.88 = 9,821.70 : x
  2. Step 2: Convert to fraction form
    17,781.02/24,536.88 = 9,821.70/x
  3. Step 3: Cross multiply
    17,781.02x = 24,536.88 × 9,821.70
  4. Step 4: Simplify right side
    17,781.02x = 240,993,874.30
  5. Step 5: Solve for x
    x = 240,993,874.30/17,781.02
  6. Step 6: Final answer
    x = 13,553.44

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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.