Home / 21,702.35-32,516.39-11,848.56

Finding the Fourth Proportional to 21,702.35, 32,516.39 and 11,848.56

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Solution

The fourth proportional to 21,702.35, 32,516.39 and 11,848.56 is: 17,752.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,702.35 : 32,516.39 = 11,848.56 : x
  2. Step 2: Convert to fraction form
    21,702.35/32,516.39 = 11,848.56/x
  3. Step 3: Cross multiply
    21,702.35x = 32,516.39 × 11,848.56
  4. Step 4: Simplify right side
    21,702.35x = 385,272,338.66
  5. Step 5: Solve for x
    x = 385,272,338.66/21,702.35
  6. Step 6: Final answer
    x = 17,752.57

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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.