Home / 23,033.55-31,785.92-12,961.98

Finding the Fourth Proportional to 23,033.55, 31,785.92 and 12,961.98

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Solution

The fourth proportional to 23,033.55, 31,785.92 and 12,961.98 is: 17,887.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,033.55 : 31,785.92 = 12,961.98 : x
  2. Step 2: Convert to fraction form
    23,033.55/31,785.92 = 12,961.98/x
  3. Step 3: Cross multiply
    23,033.55x = 31,785.92 × 12,961.98
  4. Step 4: Simplify right side
    23,033.55x = 412,008,394.51
  5. Step 5: Solve for x
    x = 412,008,394.51/23,033.55
  6. Step 6: Final answer
    x = 17,887.32

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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.