Home / 22,541.16-31,089.92-19,991.91

Finding the Fourth Proportional to 22,541.16, 31,089.92 and 19,991.91

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Solution

The fourth proportional to 22,541.16, 31,089.92 and 19,991.91 is: 27,573.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,541.16 : 31,089.92 = 19,991.91 : x
  2. Step 2: Convert to fraction form
    22,541.16/31,089.92 = 19,991.91/x
  3. Step 3: Cross multiply
    22,541.16x = 31,089.92 × 19,991.91
  4. Step 4: Simplify right side
    22,541.16x = 621,546,782.59
  5. Step 5: Solve for x
    x = 621,546,782.59/22,541.16
  6. Step 6: Final answer
    x = 27,573.86

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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.