Home / 21,686.97-32,530.01-6,895.92

Finding the Fourth Proportional to 21,686.97, 32,530.01 and 6,895.92

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Solution

The fourth proportional to 21,686.97, 32,530.01 and 6,895.92 is: 10,343.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,686.97 : 32,530.01 = 6,895.92 : x
  2. Step 2: Convert to fraction form
    21,686.97/32,530.01 = 6,895.92/x
  3. Step 3: Cross multiply
    21,686.97x = 32,530.01 × 6,895.92
  4. Step 4: Simplify right side
    21,686.97x = 224,324,312.08
  5. Step 5: Solve for x
    x = 224,324,312.08/21,686.97
  6. Step 6: Final answer
    x = 10,343.74

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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.