Home / 15,056.56-20,778.80-9,088.12

Finding the Fourth Proportional to 15,056.56, 20,778.80 and 9,088.12

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Solution

The fourth proportional to 15,056.56, 20,778.80 and 9,088.12 is: 12,542.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,056.56 : 20,778.80 = 9,088.12 : x
  2. Step 2: Convert to fraction form
    15,056.56/20,778.80 = 9,088.12/x
  3. Step 3: Cross multiply
    15,056.56x = 20,778.80 × 9,088.12
  4. Step 4: Simplify right side
    15,056.56x = 188,840,227.86
  5. Step 5: Solve for x
    x = 188,840,227.86/15,056.56
  6. Step 6: Final answer
    x = 12,542.06

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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.