Home / 13,099.08-19,648.62-4,331.64

Finding the Fourth Proportional to 13,099.08, 19,648.62 and 4,331.64

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Solution

The fourth proportional to 13,099.08, 19,648.62 and 4,331.64 is: 6,497.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.08 : 19,648.62 = 4,331.64 : x
  2. Step 2: Convert to fraction form
    13,099.08/19,648.62 = 4,331.64/x
  3. Step 3: Cross multiply
    13,099.08x = 19,648.62 × 4,331.64
  4. Step 4: Simplify right side
    13,099.08x = 85,110,748.34
  5. Step 5: Solve for x
    x = 85,110,748.34/13,099.08
  6. Step 6: Final answer
    x = 6,497.46

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1.5x scale

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.