Home / 13,925.16-20,887.42-3,395.26

Finding the Fourth Proportional to 13,925.16, 20,887.42 and 3,395.26

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Solution

The fourth proportional to 13,925.16, 20,887.42 and 3,395.26 is: 5,092.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.16 : 20,887.42 = 3,395.26 : x
  2. Step 2: Convert to fraction form
    13,925.16/20,887.42 = 3,395.26/x
  3. Step 3: Cross multiply
    13,925.16x = 20,887.42 × 3,395.26
  4. Step 4: Simplify right side
    13,925.16x = 70,918,221.63
  5. Step 5: Solve for x
    x = 70,918,221.63/13,925.16
  6. Step 6: Final answer
    x = 5,092.81

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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.