Home / 26,556.48-36,642.06-15,372

Finding the Fourth Proportional to 26,556.48, 36,642.06 and 15,372

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Solution

The fourth proportional to 26,556.48, 36,642.06 and 15,372 is: 21,209.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,556.48 : 36,642.06 = 15,372 : x
  2. Step 2: Convert to fraction form
    26,556.48/36,642.06 = 15,372/x
  3. Step 3: Cross multiply
    26,556.48x = 36,642.06 × 15,372
  4. Step 4: Simplify right side
    26,556.48x = 563,261,746.32
  5. Step 5: Solve for x
    x = 563,261,746.32/26,556.48
  6. Step 6: Final answer
    x = 21,209.96

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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.