Home / 14,253.60-19,668.24-8,286.24

Finding the Fourth Proportional to 14,253.60, 19,668.24 and 8,286.24

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Solution

The fourth proportional to 14,253.60, 19,668.24 and 8,286.24 is: 11,434.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.60 : 19,668.24 = 8,286.24 : x
  2. Step 2: Convert to fraction form
    14,253.60/19,668.24 = 8,286.24/x
  3. Step 3: Cross multiply
    14,253.60x = 19,668.24 × 8,286.24
  4. Step 4: Simplify right side
    14,253.60x = 162,975,757.02
  5. Step 5: Solve for x
    x = 162,975,757.02/14,253.60
  6. Step 6: Final answer
    x = 11,434.01

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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.