Home / 21,702.95-32,528.38-11,177.92

Finding the Fourth Proportional to 21,702.95, 32,528.38 and 11,177.92

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Solution

The fourth proportional to 21,702.95, 32,528.38 and 11,177.92 is: 16,753.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,702.95 : 32,528.38 = 11,177.92 : x
  2. Step 2: Convert to fraction form
    21,702.95/32,528.38 = 11,177.92/x
  3. Step 3: Cross multiply
    21,702.95x = 32,528.38 × 11,177.92
  4. Step 4: Simplify right side
    21,702.95x = 363,599,629.37
  5. Step 5: Solve for x
    x = 363,599,629.37/21,702.95
  6. Step 6: Final answer
    x = 16,753.47

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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.