Home / 21,956.99-32,935.50-10,278.41

Finding the Fourth Proportional to 21,956.99, 32,935.50 and 10,278.41

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Solution

The fourth proportional to 21,956.99, 32,935.50 and 10,278.41 is: 15,417.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,956.99 : 32,935.50 = 10,278.41 : x
  2. Step 2: Convert to fraction form
    21,956.99/32,935.50 = 10,278.41/x
  3. Step 3: Cross multiply
    21,956.99x = 32,935.50 × 10,278.41
  4. Step 4: Simplify right side
    21,956.99x = 338,524,407.88
  5. Step 5: Solve for x
    x = 338,524,407.88/21,956.99
  6. Step 6: Final answer
    x = 15,417.62

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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.