Home / 22,103.43-33,143.02-8,762.91

Finding the Fourth Proportional to 22,103.43, 33,143.02 and 8,762.91

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Solution

The fourth proportional to 22,103.43, 33,143.02 and 8,762.91 is: 13,139.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,103.43 : 33,143.02 = 8,762.91 : x
  2. Step 2: Convert to fraction form
    22,103.43/33,143.02 = 8,762.91/x
  3. Step 3: Cross multiply
    22,103.43x = 33,143.02 × 8,762.91
  4. Step 4: Simplify right side
    22,103.43x = 290,429,204.49
  5. Step 5: Solve for x
    x = 290,429,204.49/22,103.43
  6. Step 6: Final answer
    x = 13,139.56

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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.