Home / 22,774.90-34,151.41-12,911.53

Finding the Fourth Proportional to 22,774.90, 34,151.41 and 12,911.53

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Solution

The fourth proportional to 22,774.90, 34,151.41 and 12,911.53 is: 19,361.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,774.90 : 34,151.41 = 12,911.53 : x
  2. Step 2: Convert to fraction form
    22,774.90/34,151.41 = 12,911.53/x
  3. Step 3: Cross multiply
    22,774.90x = 34,151.41 × 12,911.53
  4. Step 4: Simplify right side
    22,774.90x = 440,946,954.76
  5. Step 5: Solve for x
    x = 440,946,954.76/22,774.90
  6. Step 6: Final answer
    x = 19,361.09

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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.