Home / 22,828.03-31,505.81-13,137.29

Finding the Fourth Proportional to 22,828.03, 31,505.81 and 13,137.29

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Solution

The fourth proportional to 22,828.03, 31,505.81 and 13,137.29 is: 18,131.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,828.03 : 31,505.81 = 13,137.29 : x
  2. Step 2: Convert to fraction form
    22,828.03/31,505.81 = 13,137.29/x
  3. Step 3: Cross multiply
    22,828.03x = 31,505.81 × 13,137.29
  4. Step 4: Simplify right side
    22,828.03x = 413,900,962.65
  5. Step 5: Solve for x
    x = 413,900,962.65/22,828.03
  6. Step 6: Final answer
    x = 18,131.26

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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.