Home / 21,886.56-32,756.94-15,114.96

Finding the Fourth Proportional to 21,886.56, 32,756.94 and 15,114.96

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Solution

The fourth proportional to 21,886.56, 32,756.94 and 15,114.96 is: 22,622.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,886.56 : 32,756.94 = 15,114.96 : x
  2. Step 2: Convert to fraction form
    21,886.56/32,756.94 = 15,114.96/x
  3. Step 3: Cross multiply
    21,886.56x = 32,756.94 × 15,114.96
  4. Step 4: Simplify right side
    21,886.56x = 495,119,837.82
  5. Step 5: Solve for x
    x = 495,119,837.82/21,886.56
  6. Step 6: Final answer
    x = 22,622.09

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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.