Home / 14,219.99-21,332.50-4,857.82

Finding the Fourth Proportional to 14,219.99, 21,332.50 and 4,857.82

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Solution

The fourth proportional to 14,219.99, 21,332.50 and 4,857.82 is: 7,287.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219.99 : 21,332.50 = 4,857.82 : x
  2. Step 2: Convert to fraction form
    14,219.99/21,332.50 = 4,857.82/x
  3. Step 3: Cross multiply
    14,219.99x = 21,332.50 × 4,857.82
  4. Step 4: Simplify right side
    14,219.99x = 103,629,445.15
  5. Step 5: Solve for x
    x = 103,629,445.15/14,219.99
  6. Step 6: Final answer
    x = 7,287.59

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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.