Home / 22,905.58-34,346.79-8,112.40

Finding the Fourth Proportional to 22,905.58, 34,346.79 and 8,112.40

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Solution

The fourth proportional to 22,905.58, 34,346.79 and 8,112.40 is: 12,164.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,905.58 : 34,346.79 = 8,112.40 : x
  2. Step 2: Convert to fraction form
    22,905.58/34,346.79 = 8,112.40/x
  3. Step 3: Cross multiply
    22,905.58x = 34,346.79 × 8,112.40
  4. Step 4: Simplify right side
    22,905.58x = 278,634,899.20
  5. Step 5: Solve for x
    x = 278,634,899.20/22,905.58
  6. Step 6: Final answer
    x = 12,164.50

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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.