Home / 18,500.02-27,754.19-5,353.42

Finding the Fourth Proportional to 18,500.02, 27,754.19 and 5,353.42

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Solution

The fourth proportional to 18,500.02, 27,754.19 and 5,353.42 is: 8,031.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.02 : 27,754.19 = 5,353.42 : x
  2. Step 2: Convert to fraction form
    18,500.02/27,754.19 = 5,353.42/x
  3. Step 3: Cross multiply
    18,500.02x = 27,754.19 × 5,353.42
  4. Step 4: Simplify right side
    18,500.02x = 148,579,835.83
  5. Step 5: Solve for x
    x = 148,579,835.83/18,500.02
  6. Step 6: Final answer
    x = 8,031.33

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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.