Home / 15,056.06-20,778.11-9,087.62

Finding the Fourth Proportional to 15,056.06, 20,778.11 and 9,087.62

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Solution

The fourth proportional to 15,056.06, 20,778.11 and 9,087.62 is: 12,541.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,056.06 : 20,778.11 = 9,087.62 : x
  2. Step 2: Convert to fraction form
    15,056.06/20,778.11 = 9,087.62/x
  3. Step 3: Cross multiply
    15,056.06x = 20,778.11 × 9,087.62
  4. Step 4: Simplify right side
    15,056.06x = 188,823,568.00
  5. Step 5: Solve for x
    x = 188,823,568.00/15,056.06
  6. Step 6: Final answer
    x = 12,541.37

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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.