Home / 15,005.24-20,702.18-9,706.76

Finding the Fourth Proportional to 15,005.24, 20,702.18 and 9,706.76

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Solution

The fourth proportional to 15,005.24, 20,702.18 and 9,706.76 is: 13,392.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,005.24 : 20,702.18 = 9,706.76 : x
  2. Step 2: Convert to fraction form
    15,005.24/20,702.18 = 9,706.76/x
  3. Step 3: Cross multiply
    15,005.24x = 20,702.18 × 9,706.76
  4. Step 4: Simplify right side
    15,005.24x = 200,951,092.74
  5. Step 5: Solve for x
    x = 200,951,092.74/15,005.24
  6. Step 6: Final answer
    x = 13,392.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.