Home / 14,322.12-21,479.01-4,961.76

Finding the Fourth Proportional to 14,322.12, 21,479.01 and 4,961.76

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Solution

The fourth proportional to 14,322.12, 21,479.01 and 4,961.76 is: 7,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,322.12 : 21,479.01 = 4,961.76 : x
  2. Step 2: Convert to fraction form
    14,322.12/21,479.01 = 4,961.76/x
  3. Step 3: Cross multiply
    14,322.12x = 21,479.01 × 4,961.76
  4. Step 4: Simplify right side
    14,322.12x = 106,573,692.66
  5. Step 5: Solve for x
    x = 106,573,692.66/14,322.12
  6. Step 6: Final answer
    x = 7,441.20

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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.