Home / 13,516.89-20,276.40-4,753.77

Finding the Fourth Proportional to 13,516.89, 20,276.40 and 4,753.77

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Solution

The fourth proportional to 13,516.89, 20,276.40 and 4,753.77 is: 7,131.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516.89 : 20,276.40 = 4,753.77 : x
  2. Step 2: Convert to fraction form
    13,516.89/20,276.40 = 4,753.77/x
  3. Step 3: Cross multiply
    13,516.89x = 20,276.40 × 4,753.77
  4. Step 4: Simplify right side
    13,516.89x = 96,389,342.03
  5. Step 5: Solve for x
    x = 96,389,342.03/13,516.89
  6. Step 6: Final answer
    x = 7,131.03

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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.