Home / 13,271.15-19,905.39-4,505.93

Finding the Fourth Proportional to 13,271.15, 19,905.39 and 4,505.93

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Solution

The fourth proportional to 13,271.15, 19,905.39 and 4,505.93 is: 6,758.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.15 : 19,905.39 = 4,505.93 : x
  2. Step 2: Convert to fraction form
    13,271.15/19,905.39 = 4,505.93/x
  3. Step 3: Cross multiply
    13,271.15x = 19,905.39 × 4,505.93
  4. Step 4: Simplify right side
    13,271.15x = 89,692,194.44
  5. Step 5: Solve for x
    x = 89,692,194.44/13,271.15
  6. Step 6: Final answer
    x = 6,758.44

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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.