Home / 13,516.39-20,275.65-4,753.27

Finding the Fourth Proportional to 13,516.39, 20,275.65 and 4,753.27

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Solution

The fourth proportional to 13,516.39, 20,275.65 and 4,753.27 is: 7,130.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516.39 : 20,275.65 = 4,753.27 : x
  2. Step 2: Convert to fraction form
    13,516.39/20,275.65 = 4,753.27/x
  3. Step 3: Cross multiply
    13,516.39x = 20,275.65 × 4,753.27
  4. Step 4: Simplify right side
    13,516.39x = 96,375,638.88
  5. Step 5: Solve for x
    x = 96,375,638.88/13,516.39
  6. Step 6: Final answer
    x = 7,130.28

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1.5x scale

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.