Home / 21,702.60-32,556.33-6,907.95

Finding the Fourth Proportional to 21,702.60, 32,556.33 and 6,907.95

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Solution

The fourth proportional to 21,702.60, 32,556.33 and 6,907.95 is: 10,362.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,702.60 : 32,556.33 = 6,907.95 : x
  2. Step 2: Convert to fraction form
    21,702.60/32,556.33 = 6,907.95/x
  3. Step 3: Cross multiply
    21,702.60x = 32,556.33 × 6,907.95
  4. Step 4: Simplify right side
    21,702.60x = 224,897,499.82
  5. Step 5: Solve for x
    x = 224,897,499.82/21,702.60
  6. Step 6: Final answer
    x = 10,362.70

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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.