Home / 19,180.64-28,777.84-6,702.50

Finding the Fourth Proportional to 19,180.64, 28,777.84 and 6,702.50

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Solution

The fourth proportional to 19,180.64, 28,777.84 and 6,702.50 is: 10,056.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,180.64 : 28,777.84 = 6,702.50 : x
  2. Step 2: Convert to fraction form
    19,180.64/28,777.84 = 6,702.50/x
  3. Step 3: Cross multiply
    19,180.64x = 28,777.84 × 6,702.50
  4. Step 4: Simplify right side
    19,180.64x = 192,883,472.60
  5. Step 5: Solve for x
    x = 192,883,472.60/19,180.64
  6. Step 6: Final answer
    x = 10,056.15

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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.