Home / 23,033.64-31,783.97-12,961.91

Finding the Fourth Proportional to 23,033.64, 31,783.97 and 12,961.91

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Solution

The fourth proportional to 23,033.64, 31,783.97 and 12,961.91 is: 17,886.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,033.64 : 31,783.97 = 12,961.91 : x
  2. Step 2: Convert to fraction form
    23,033.64/31,783.97 = 12,961.91/x
  3. Step 3: Cross multiply
    23,033.64x = 31,783.97 × 12,961.91
  4. Step 4: Simplify right side
    23,033.64x = 411,980,734.85
  5. Step 5: Solve for x
    x = 411,980,734.85/23,033.64
  6. Step 6: Final answer
    x = 17,886.05

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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.