Home / 14,621.80-21,934.52-4,762.12

Finding the Fourth Proportional to 14,621.80, 21,934.52 and 4,762.12

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Solution

The fourth proportional to 14,621.80, 21,934.52 and 4,762.12 is: 7,143.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.80 : 21,934.52 = 4,762.12 : x
  2. Step 2: Convert to fraction form
    14,621.80/21,934.52 = 4,762.12/x
  3. Step 3: Cross multiply
    14,621.80x = 21,934.52 × 4,762.12
  4. Step 4: Simplify right side
    14,621.80x = 104,454,816.38
  5. Step 5: Solve for x
    x = 104,454,816.38/14,621.80
  6. Step 6: Final answer
    x = 7,143.77

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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.