Home / 25,388.51-38,090.54-11,360.34

Finding the Fourth Proportional to 25,388.51, 38,090.54 and 11,360.34

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Solution

The fourth proportional to 25,388.51, 38,090.54 and 11,360.34 is: 17,043.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,388.51 : 38,090.54 = 11,360.34 : x
  2. Step 2: Convert to fraction form
    25,388.51/38,090.54 = 11,360.34/x
  3. Step 3: Cross multiply
    25,388.51x = 38,090.54 × 11,360.34
  4. Step 4: Simplify right side
    25,388.51x = 432,721,513.58
  5. Step 5: Solve for x
    x = 432,721,513.58/25,388.51
  6. Step 6: Final answer
    x = 17,043.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.