Home / 23,032.99-31,786.14-12,961.79

Finding the Fourth Proportional to 23,032.99, 31,786.14 and 12,961.79

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Solution

The fourth proportional to 23,032.99, 31,786.14 and 12,961.79 is: 17,887.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,032.99 : 31,786.14 = 12,961.79 : x
  2. Step 2: Convert to fraction form
    23,032.99/31,786.14 = 12,961.79/x
  3. Step 3: Cross multiply
    23,032.99x = 31,786.14 × 12,961.79
  4. Step 4: Simplify right side
    23,032.99x = 412,005,271.59
  5. Step 5: Solve for x
    x = 412,005,271.59/23,032.99
  6. Step 6: Final answer
    x = 17,887.62

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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.