Home / 21,977.59-32,956.50-13,097.08

Finding the Fourth Proportional to 21,977.59, 32,956.50 and 13,097.08

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Solution

The fourth proportional to 21,977.59, 32,956.50 and 13,097.08 is: 19,639.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,977.59 : 32,956.50 = 13,097.08 : x
  2. Step 2: Convert to fraction form
    21,977.59/32,956.50 = 13,097.08/x
  3. Step 3: Cross multiply
    21,977.59x = 32,956.50 × 13,097.08
  4. Step 4: Simplify right side
    21,977.59x = 431,633,917.02
  5. Step 5: Solve for x
    x = 431,633,917.02/21,977.59
  6. Step 6: Final answer
    x = 19,639.73

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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.