Home / 22,784.28-34,181.48-6,991.50

Finding the Fourth Proportional to 22,784.28, 34,181.48 and 6,991.50

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Solution

The fourth proportional to 22,784.28, 34,181.48 and 6,991.50 is: 10,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,784.28 : 34,181.48 = 6,991.50 : x
  2. Step 2: Convert to fraction form
    22,784.28/34,181.48 = 6,991.50/x
  3. Step 3: Cross multiply
    22,784.28x = 34,181.48 × 6,991.50
  4. Step 4: Simplify right side
    22,784.28x = 238,979,817.42
  5. Step 5: Solve for x
    x = 238,979,817.42/22,784.28
  6. Step 6: Final answer
    x = 10,488.80

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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.