Home / 22,181.81-33,278.70-9,702.95

Finding the Fourth Proportional to 22,181.81, 33,278.70 and 9,702.95

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Solution

The fourth proportional to 22,181.81, 33,278.70 and 9,702.95 is: 14,557.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,181.81 : 33,278.70 = 9,702.95 : x
  2. Step 2: Convert to fraction form
    22,181.81/33,278.70 = 9,702.95/x
  3. Step 3: Cross multiply
    22,181.81x = 33,278.70 × 9,702.95
  4. Step 4: Simplify right side
    22,181.81x = 322,901,562.17
  5. Step 5: Solve for x
    x = 322,901,562.17/22,181.81
  6. Step 6: Final answer
    x = 14,557.04

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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.