Home / 15,096.48-20,829.60-8,806.56

Finding the Fourth Proportional to 15,096.48, 20,829.60 and 8,806.56

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Solution

The fourth proportional to 15,096.48, 20,829.60 and 8,806.56 is: 12,150.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,096.48 : 20,829.60 = 8,806.56 : x
  2. Step 2: Convert to fraction form
    15,096.48/20,829.60 = 8,806.56/x
  3. Step 3: Cross multiply
    15,096.48x = 20,829.60 × 8,806.56
  4. Step 4: Simplify right side
    15,096.48x = 183,437,122.18
  5. Step 5: Solve for x
    x = 183,437,122.18/15,096.48
  6. Step 6: Final answer
    x = 12,150.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.