Home / 23,033.22-31,785.55-12,961.68

Finding the Fourth Proportional to 23,033.22, 31,785.55 and 12,961.68

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Solution

The fourth proportional to 23,033.22, 31,785.55 and 12,961.68 is: 17,886.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,033.22 : 31,785.55 = 12,961.68 : x
  2. Step 2: Convert to fraction form
    23,033.22/31,785.55 = 12,961.68/x
  3. Step 3: Cross multiply
    23,033.22x = 31,785.55 × 12,961.68
  4. Step 4: Simplify right side
    23,033.22x = 411,994,127.72
  5. Step 5: Solve for x
    x = 411,994,127.72/23,033.22
  6. Step 6: Final answer
    x = 17,886.95

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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.