Home / 14,475.89-19,977.10-8,507.88

Finding the Fourth Proportional to 14,475.89, 19,977.10 and 8,507.88

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Solution

The fourth proportional to 14,475.89, 19,977.10 and 8,507.88 is: 11,741.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,475.89 : 19,977.10 = 8,507.88 : x
  2. Step 2: Convert to fraction form
    14,475.89/19,977.10 = 8,507.88/x
  3. Step 3: Cross multiply
    14,475.89x = 19,977.10 × 8,507.88
  4. Step 4: Simplify right side
    14,475.89x = 169,962,796.14
  5. Step 5: Solve for x
    x = 169,962,796.14/14,475.89
  6. Step 6: Final answer
    x = 11,741.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.