Home / 14,571.20-21,859.20-4,712.96

Finding the Fourth Proportional to 14,571.20, 21,859.20 and 4,712.96

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Solution

The fourth proportional to 14,571.20, 21,859.20 and 4,712.96 is: 7,070.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,571.20 : 21,859.20 = 4,712.96 : x
  2. Step 2: Convert to fraction form
    14,571.20/21,859.20 = 4,712.96/x
  3. Step 3: Cross multiply
    14,571.20x = 21,859.20 × 4,712.96
  4. Step 4: Simplify right side
    14,571.20x = 103,021,535.23
  5. Step 5: Solve for x
    x = 103,021,535.23/14,571.20
  6. Step 6: Final answer
    x = 7,070.22

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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.