Home / 22,136.78-33,158.35-17,901.86

Finding the Fourth Proportional to 22,136.78, 33,158.35 and 17,901.86

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Solution

The fourth proportional to 22,136.78, 33,158.35 and 17,901.86 is: 26,814.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,136.78 : 33,158.35 = 17,901.86 : x
  2. Step 2: Convert to fraction form
    22,136.78/33,158.35 = 17,901.86/x
  3. Step 3: Cross multiply
    22,136.78x = 33,158.35 × 17,901.86
  4. Step 4: Simplify right side
    22,136.78x = 593,596,139.53
  5. Step 5: Solve for x
    x = 593,596,139.53/22,136.78
  6. Step 6: Final answer
    x = 26,814.93

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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.