Home / 22,771.28-34,158.54-7,188.50

Finding the Fourth Proportional to 22,771.28, 34,158.54 and 7,188.50

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Solution

The fourth proportional to 22,771.28, 34,158.54 and 7,188.50 is: 10,783.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,771.28 : 34,158.54 = 7,188.50 : x
  2. Step 2: Convert to fraction form
    22,771.28/34,158.54 = 7,188.50/x
  3. Step 3: Cross multiply
    22,771.28x = 34,158.54 × 7,188.50
  4. Step 4: Simplify right side
    22,771.28x = 245,548,664.79
  5. Step 5: Solve for x
    x = 245,548,664.79/22,771.28
  6. Step 6: Final answer
    x = 10,783.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.