Home / 21,516.06-32,274-5,722.68

Finding the Fourth Proportional to 21,516.06, 32,274 and 5,722.68

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Solution

The fourth proportional to 21,516.06, 32,274 and 5,722.68 is: 8,584.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,516.06 : 32,274 = 5,722.68 : x
  2. Step 2: Convert to fraction form
    21,516.06/32,274 = 5,722.68/x
  3. Step 3: Cross multiply
    21,516.06x = 32,274 × 5,722.68
  4. Step 4: Simplify right side
    21,516.06x = 184,693,774.32
  5. Step 5: Solve for x
    x = 184,693,774.32/21,516.06
  6. Step 6: Final answer
    x = 8,584.00

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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.