Home / 15,091.22-20,825.58-8,376.93

Finding the Fourth Proportional to 15,091.22, 20,825.58 and 8,376.93

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Solution

The fourth proportional to 15,091.22, 20,825.58 and 8,376.93 is: 11,560.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,091.22 : 20,825.58 = 8,376.93 : x
  2. Step 2: Convert to fraction form
    15,091.22/20,825.58 = 8,376.93/x
  3. Step 3: Cross multiply
    15,091.22x = 20,825.58 × 8,376.93
  4. Step 4: Simplify right side
    15,091.22x = 174,454,425.87
  5. Step 5: Solve for x
    x = 174,454,425.87/15,091.22
  6. Step 6: Final answer
    x = 11,560.00

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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.