Home / 13,402.41-20,098.79-4,515.83

Finding the Fourth Proportional to 13,402.41, 20,098.79 and 4,515.83

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Solution

The fourth proportional to 13,402.41, 20,098.79 and 4,515.83 is: 6,772.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,402.41 : 20,098.79 = 4,515.83 : x
  2. Step 2: Convert to fraction form
    13,402.41/20,098.79 = 4,515.83/x
  3. Step 3: Cross multiply
    13,402.41x = 20,098.79 × 4,515.83
  4. Step 4: Simplify right side
    13,402.41x = 90,762,746.51
  5. Step 5: Solve for x
    x = 90,762,746.51/13,402.41
  6. Step 6: Final answer
    x = 6,772.12

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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.