Home / 13,607.36-20,411.16-3,746.42

Finding the Fourth Proportional to 13,607.36, 20,411.16 and 3,746.42

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Solution

The fourth proportional to 13,607.36, 20,411.16 and 3,746.42 is: 5,619.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,607.36 : 20,411.16 = 3,746.42 : x
  2. Step 2: Convert to fraction form
    13,607.36/20,411.16 = 3,746.42/x
  3. Step 3: Cross multiply
    13,607.36x = 20,411.16 × 3,746.42
  4. Step 4: Simplify right side
    13,607.36x = 76,468,778.05
  5. Step 5: Solve for x
    x = 76,468,778.05/13,607.36
  6. Step 6: Final answer
    x = 5,619.66

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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.