Home / 16,502.22-22,771.80-9,787.32

Finding the Fourth Proportional to 16,502.22, 22,771.80 and 9,787.32

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Solution

The fourth proportional to 16,502.22, 22,771.80 and 9,787.32 is: 13,505.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,502.22 : 22,771.80 = 9,787.32 : x
  2. Step 2: Convert to fraction form
    16,502.22/22,771.80 = 9,787.32/x
  3. Step 3: Cross multiply
    16,502.22x = 22,771.80 × 9,787.32
  4. Step 4: Simplify right side
    16,502.22x = 222,874,893.58
  5. Step 5: Solve for x
    x = 222,874,893.58/16,502.22
  6. Step 6: Final answer
    x = 13,505.75

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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.