Home / 13,731.01-20,596.52-3,869.01

Finding the Fourth Proportional to 13,731.01, 20,596.52 and 3,869.01

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Solution

The fourth proportional to 13,731.01, 20,596.52 and 3,869.01 is: 5,803.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731.01 : 20,596.52 = 3,869.01 : x
  2. Step 2: Convert to fraction form
    13,731.01/20,596.52 = 3,869.01/x
  3. Step 3: Cross multiply
    13,731.01x = 20,596.52 × 3,869.01
  4. Step 4: Simplify right side
    13,731.01x = 79,688,048.54
  5. Step 5: Solve for x
    x = 79,688,048.54/13,731.01
  6. Step 6: Final answer
    x = 5,803.51

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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.