Home / 22,355.02-30,849.78-12,283.57

Finding the Fourth Proportional to 22,355.02, 30,849.78 and 12,283.57

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Solution

The fourth proportional to 22,355.02, 30,849.78 and 12,283.57 is: 16,951.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,355.02 : 30,849.78 = 12,283.57 : x
  2. Step 2: Convert to fraction form
    22,355.02/30,849.78 = 12,283.57/x
  3. Step 3: Cross multiply
    22,355.02x = 30,849.78 × 12,283.57
  4. Step 4: Simplify right side
    22,355.02x = 378,945,432.11
  5. Step 5: Solve for x
    x = 378,945,432.11/22,355.02
  6. Step 6: Final answer
    x = 16,951.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.