Home / 18,577.02-27,874.64-8,717.10

Finding the Fourth Proportional to 18,577.02, 27,874.64 and 8,717.10

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Solution

The fourth proportional to 18,577.02, 27,874.64 and 8,717.10 is: 13,079.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,577.02 : 27,874.64 = 8,717.10 : x
  2. Step 2: Convert to fraction form
    18,577.02/27,874.64 = 8,717.10/x
  3. Step 3: Cross multiply
    18,577.02x = 27,874.64 × 8,717.10
  4. Step 4: Simplify right side
    18,577.02x = 242,986,024.34
  5. Step 5: Solve for x
    x = 242,986,024.34/18,577.02
  6. Step 6: Final answer
    x = 13,079.92

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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.