Home / 14,455.88-19,965.56-9,731.96

Finding the Fourth Proportional to 14,455.88, 19,965.56 and 9,731.96

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Solution

The fourth proportional to 14,455.88, 19,965.56 and 9,731.96 is: 13,441.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,455.88 : 19,965.56 = 9,731.96 : x
  2. Step 2: Convert to fraction form
    14,455.88/19,965.56 = 9,731.96/x
  3. Step 3: Cross multiply
    14,455.88x = 19,965.56 × 9,731.96
  4. Step 4: Simplify right side
    14,455.88x = 194,304,031.30
  5. Step 5: Solve for x
    x = 194,304,031.30/14,455.88
  6. Step 6: Final answer
    x = 13,441.18

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1.5x scale

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.