Home / 13,397.48-20,099.09-4,513.69

Finding the Fourth Proportional to 13,397.48, 20,099.09 and 4,513.69

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Solution

The fourth proportional to 13,397.48, 20,099.09 and 4,513.69 is: 6,771.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397.48 : 20,099.09 = 4,513.69 : x
  2. Step 2: Convert to fraction form
    13,397.48/20,099.09 = 4,513.69/x
  3. Step 3: Cross multiply
    13,397.48x = 20,099.09 × 4,513.69
  4. Step 4: Simplify right side
    13,397.48x = 90,721,022.58
  5. Step 5: Solve for x
    x = 90,721,022.58/13,397.48
  6. Step 6: Final answer
    x = 6,771.50

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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.