Home / 14,334.83-21,478.87-8,776.52

Finding the Fourth Proportional to 14,334.83, 21,478.87 and 8,776.52

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Solution

The fourth proportional to 14,334.83, 21,478.87 and 8,776.52 is: 13,150.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,334.83 : 21,478.87 = 8,776.52 : x
  2. Step 2: Convert to fraction form
    14,334.83/21,478.87 = 8,776.52/x
  3. Step 3: Cross multiply
    14,334.83x = 21,478.87 × 8,776.52
  4. Step 4: Simplify right side
    14,334.83x = 188,509,732.13
  5. Step 5: Solve for x
    x = 188,509,732.13/14,334.83
  6. Step 6: Final answer
    x = 13,150.47

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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.