Home / 14,132.15-21,198.98-4,271.18

Finding the Fourth Proportional to 14,132.15, 21,198.98 and 4,271.18

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Solution

The fourth proportional to 14,132.15, 21,198.98 and 4,271.18 is: 6,406.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132.15 : 21,198.98 = 4,271.18 : x
  2. Step 2: Convert to fraction form
    14,132.15/21,198.98 = 4,271.18/x
  3. Step 3: Cross multiply
    14,132.15x = 21,198.98 × 4,271.18
  4. Step 4: Simplify right side
    14,132.15x = 90,544,564.08
  5. Step 5: Solve for x
    x = 90,544,564.08/14,132.15
  6. Step 6: Final answer
    x = 6,406.99

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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.