Home / 13,102.90-19,656.27-4,335.86

Finding the Fourth Proportional to 13,102.90, 19,656.27 and 4,335.86

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Solution

The fourth proportional to 13,102.90, 19,656.27 and 4,335.86 is: 6,504.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,102.90 : 19,656.27 = 4,335.86 : x
  2. Step 2: Convert to fraction form
    13,102.90/19,656.27 = 4,335.86/x
  3. Step 3: Cross multiply
    13,102.90x = 19,656.27 × 4,335.86
  4. Step 4: Simplify right side
    13,102.90x = 85,226,883.98
  5. Step 5: Solve for x
    x = 85,226,883.98/13,102.90
  6. Step 6: Final answer
    x = 6,504.43

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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.