Home / 22,156.54-33,181.95-12,776.94

Finding the Fourth Proportional to 22,156.54, 33,181.95 and 12,776.94

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Solution

The fourth proportional to 22,156.54, 33,181.95 and 12,776.94 is: 19,134.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,156.54 : 33,181.95 = 12,776.94 : x
  2. Step 2: Convert to fraction form
    22,156.54/33,181.95 = 12,776.94/x
  3. Step 3: Cross multiply
    22,156.54x = 33,181.95 × 12,776.94
  4. Step 4: Simplify right side
    22,156.54x = 423,963,832.15
  5. Step 5: Solve for x
    x = 423,963,832.15/22,156.54
  6. Step 6: Final answer
    x = 19,134.93

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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.