Home / 14,601.88-20,145.18-10,129.60

Finding the Fourth Proportional to 14,601.88, 20,145.18 and 10,129.60

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Solution

The fourth proportional to 14,601.88, 20,145.18 and 10,129.60 is: 13,975.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,601.88 : 20,145.18 = 10,129.60 : x
  2. Step 2: Convert to fraction form
    14,601.88/20,145.18 = 10,129.60/x
  3. Step 3: Cross multiply
    14,601.88x = 20,145.18 × 10,129.60
  4. Step 4: Simplify right side
    14,601.88x = 204,062,615.33
  5. Step 5: Solve for x
    x = 204,062,615.33/14,601.88
  6. Step 6: Final answer
    x = 13,975.09

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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.