Home / 27,144.63-37,458.55-15,207.37

Finding the Fourth Proportional to 27,144.63, 37,458.55 and 15,207.37

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Solution

The fourth proportional to 27,144.63, 37,458.55 and 15,207.37 is: 20,985.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,144.63 : 37,458.55 = 15,207.37 : x
  2. Step 2: Convert to fraction form
    27,144.63/37,458.55 = 15,207.37/x
  3. Step 3: Cross multiply
    27,144.63x = 37,458.55 × 15,207.37
  4. Step 4: Simplify right side
    27,144.63x = 569,645,954.88
  5. Step 5: Solve for x
    x = 569,645,954.88/27,144.63
  6. Step 6: Final answer
    x = 20,985.59

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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.