Home / 14,863.36-20,468.20-13,913.60

Finding the Fourth Proportional to 14,863.36, 20,468.20 and 13,913.60

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Solution

The fourth proportional to 14,863.36, 20,468.20 and 13,913.60 is: 19,160.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,863.36 : 20,468.20 = 13,913.60 : x
  2. Step 2: Convert to fraction form
    14,863.36/20,468.20 = 13,913.60/x
  3. Step 3: Cross multiply
    14,863.36x = 20,468.20 × 13,913.60
  4. Step 4: Simplify right side
    14,863.36x = 284,786,347.52
  5. Step 5: Solve for x
    x = 284,786,347.52/14,863.36
  6. Step 6: Final answer
    x = 19,160.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.