Home / 15,958.28-22,021.90-8,884.60

Finding the Fourth Proportional to 15,958.28, 22,021.90 and 8,884.60

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Solution

The fourth proportional to 15,958.28, 22,021.90 and 8,884.60 is: 12,260.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,958.28 : 22,021.90 = 8,884.60 : x
  2. Step 2: Convert to fraction form
    15,958.28/22,021.90 = 8,884.60/x
  3. Step 3: Cross multiply
    15,958.28x = 22,021.90 × 8,884.60
  4. Step 4: Simplify right side
    15,958.28x = 195,655,772.74
  5. Step 5: Solve for x
    x = 195,655,772.74/15,958.28
  6. Step 6: Final answer
    x = 12,260.45

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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.