Home / 23,105.05-31,888.89-13,036.34

Finding the Fourth Proportional to 23,105.05, 31,888.89 and 13,036.34

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Solution

The fourth proportional to 23,105.05, 31,888.89 and 13,036.34 is: 17,992.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,105.05 : 31,888.89 = 13,036.34 : x
  2. Step 2: Convert to fraction form
    23,105.05/31,888.89 = 13,036.34/x
  3. Step 3: Cross multiply
    23,105.05x = 31,888.89 × 13,036.34
  4. Step 4: Simplify right side
    23,105.05x = 415,714,491.98
  5. Step 5: Solve for x
    x = 415,714,491.98/23,105.05
  6. Step 6: Final answer
    x = 17,992.37

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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.