Home / 13,272.02-19,920.33-6,702.81

Finding the Fourth Proportional to 13,272.02, 19,920.33 and 6,702.81

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Solution

The fourth proportional to 13,272.02, 19,920.33 and 6,702.81 is: 10,060.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.02 : 19,920.33 = 6,702.81 : x
  2. Step 2: Convert to fraction form
    13,272.02/19,920.33 = 6,702.81/x
  3. Step 3: Cross multiply
    13,272.02x = 19,920.33 × 6,702.81
  4. Step 4: Simplify right side
    13,272.02x = 133,522,187.13
  5. Step 5: Solve for x
    x = 133,522,187.13/13,272.02
  6. Step 6: Final answer
    x = 10,060.43

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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.