Home / 20,682.02-31,023.21-7,534.46

Finding the Fourth Proportional to 20,682.02, 31,023.21 and 7,534.46

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Solution

The fourth proportional to 20,682.02, 31,023.21 and 7,534.46 is: 11,301.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,682.02 : 31,023.21 = 7,534.46 : x
  2. Step 2: Convert to fraction form
    20,682.02/31,023.21 = 7,534.46/x
  3. Step 3: Cross multiply
    20,682.02x = 31,023.21 × 7,534.46
  4. Step 4: Simplify right side
    20,682.02x = 233,743,134.82
  5. Step 5: Solve for x
    x = 233,743,134.82/20,682.02
  6. Step 6: Final answer
    x = 11,301.76

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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.