Home / 22,307.57-30,785.30-12,236.43

Finding the Fourth Proportional to 22,307.57, 30,785.30 and 12,236.43

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Solution

The fourth proportional to 22,307.57, 30,785.30 and 12,236.43 is: 16,886.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,307.57 : 30,785.30 = 12,236.43 : x
  2. Step 2: Convert to fraction form
    22,307.57/30,785.30 = 12,236.43/x
  3. Step 3: Cross multiply
    22,307.57x = 30,785.30 × 12,236.43
  4. Step 4: Simplify right side
    22,307.57x = 376,702,268.63
  5. Step 5: Solve for x
    x = 376,702,268.63/22,307.57
  6. Step 6: Final answer
    x = 16,886.75

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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.