Home / 22,771.02-31,414.95-13,815.24

Finding the Fourth Proportional to 22,771.02, 31,414.95 and 13,815.24

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Solution

The fourth proportional to 22,771.02, 31,414.95 and 13,815.24 is: 19,059.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,771.02 : 31,414.95 = 13,815.24 : x
  2. Step 2: Convert to fraction form
    22,771.02/31,414.95 = 13,815.24/x
  3. Step 3: Cross multiply
    22,771.02x = 31,414.95 × 13,815.24
  4. Step 4: Simplify right side
    22,771.02x = 434,005,073.84
  5. Step 5: Solve for x
    x = 434,005,073.84/22,771.02
  6. Step 6: Final answer
    x = 19,059.54

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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.