Home / 14,095.25-21,138.62-5,328.02

Finding the Fourth Proportional to 14,095.25, 21,138.62 and 5,328.02

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Solution

The fourth proportional to 14,095.25, 21,138.62 and 5,328.02 is: 7,990.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,095.25 : 21,138.62 = 5,328.02 : x
  2. Step 2: Convert to fraction form
    14,095.25/21,138.62 = 5,328.02/x
  3. Step 3: Cross multiply
    14,095.25x = 21,138.62 × 5,328.02
  4. Step 4: Simplify right side
    14,095.25x = 112,626,857.80
  5. Step 5: Solve for x
    x = 112,626,857.80/14,095.25
  6. Step 6: Final answer
    x = 7,990.42

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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.