Home / 13,525.02-20,298.42-5,739.30

Finding the Fourth Proportional to 13,525.02, 20,298.42 and 5,739.30

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Solution

The fourth proportional to 13,525.02, 20,298.42 and 5,739.30 is: 8,613.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.02 : 20,298.42 = 5,739.30 : x
  2. Step 2: Convert to fraction form
    13,525.02/20,298.42 = 5,739.30/x
  3. Step 3: Cross multiply
    13,525.02x = 20,298.42 × 5,739.30
  4. Step 4: Simplify right side
    13,525.02x = 116,498,721.91
  5. Step 5: Solve for x
    x = 116,498,721.91/13,525.02
  6. Step 6: Final answer
    x = 8,613.57

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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.