Home / 14,022.52-21,031.36-5,255.64

Finding the Fourth Proportional to 14,022.52, 21,031.36 and 5,255.64

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Solution

The fourth proportional to 14,022.52, 21,031.36 and 5,255.64 is: 7,882.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,022.52 : 21,031.36 = 5,255.64 : x
  2. Step 2: Convert to fraction form
    14,022.52/21,031.36 = 5,255.64/x
  3. Step 3: Cross multiply
    14,022.52x = 21,031.36 × 5,255.64
  4. Step 4: Simplify right side
    14,022.52x = 110,533,256.87
  5. Step 5: Solve for x
    x = 110,533,256.87/14,022.52
  6. Step 6: Final answer
    x = 7,882.55

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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.