Home / 16,719.36-25,079.04-5,624

Finding the Fourth Proportional to 16,719.36, 25,079.04 and 5,624

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Solution

The fourth proportional to 16,719.36, 25,079.04 and 5,624 is: 8,436

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,719.36 : 25,079.04 = 5,624 : x
  2. Step 2: Convert to fraction form
    16,719.36/25,079.04 = 5,624/x
  3. Step 3: Cross multiply
    16,719.36x = 25,079.04 × 5,624
  4. Step 4: Simplify right side
    16,719.36x = 141,044,520.96
  5. Step 5: Solve for x
    x = 141,044,520.96/16,719.36
  6. Step 6: Final answer
    x = 8,436

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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.