Home / 14,615.37-20,176.97-11,712.53

Finding the Fourth Proportional to 14,615.37, 20,176.97 and 11,712.53

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Solution

The fourth proportional to 14,615.37, 20,176.97 and 11,712.53 is: 16,169.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615.37 : 20,176.97 = 11,712.53 : x
  2. Step 2: Convert to fraction form
    14,615.37/20,176.97 = 11,712.53/x
  3. Step 3: Cross multiply
    14,615.37x = 20,176.97 × 11,712.53
  4. Step 4: Simplify right side
    14,615.37x = 236,323,358.31
  5. Step 5: Solve for x
    x = 236,323,358.31/14,615.37
  6. Step 6: Final answer
    x = 16,169.51

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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.