Home / 23,036.13-31,789.47-12,964.56

Finding the Fourth Proportional to 23,036.13, 31,789.47 and 12,964.56

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Solution

The fourth proportional to 23,036.13, 31,789.47 and 12,964.56 is: 17,890.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,036.13 : 31,789.47 = 12,964.56 : x
  2. Step 2: Convert to fraction form
    23,036.13/31,789.47 = 12,964.56/x
  3. Step 3: Cross multiply
    23,036.13x = 31,789.47 × 12,964.56
  4. Step 4: Simplify right side
    23,036.13x = 412,136,420.59
  5. Step 5: Solve for x
    x = 412,136,420.59/23,036.13
  6. Step 6: Final answer
    x = 17,890.87

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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.