Home / 27,213.36-37,539.12-18,714.48

Finding the Fourth Proportional to 27,213.36, 37,539.12 and 18,714.48

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Solution

The fourth proportional to 27,213.36, 37,539.12 and 18,714.48 is: 25,815.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,213.36 : 37,539.12 = 18,714.48 : x
  2. Step 2: Convert to fraction form
    27,213.36/37,539.12 = 18,714.48/x
  3. Step 3: Cross multiply
    27,213.36x = 37,539.12 × 18,714.48
  4. Step 4: Simplify right side
    27,213.36x = 702,525,110.46
  5. Step 5: Solve for x
    x = 702,525,110.46/27,213.36
  6. Step 6: Final answer
    x = 25,815.45

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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.