Home / 20,889.02-31,330.28-6,096.39

Finding the Fourth Proportional to 20,889.02, 31,330.28 and 6,096.39

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Solution

The fourth proportional to 20,889.02, 31,330.28 and 6,096.39 is: 9,143.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,889.02 : 31,330.28 = 6,096.39 : x
  2. Step 2: Convert to fraction form
    20,889.02/31,330.28 = 6,096.39/x
  3. Step 3: Cross multiply
    20,889.02x = 31,330.28 × 6,096.39
  4. Step 4: Simplify right side
    20,889.02x = 191,001,575.21
  5. Step 5: Solve for x
    x = 191,001,575.21/20,889.02
  6. Step 6: Final answer
    x = 9,143.64

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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.