Home / 27,124.11-37,430.51-15,188.49

Finding the Fourth Proportional to 27,124.11, 37,430.51 and 15,188.49

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Solution

The fourth proportional to 27,124.11, 37,430.51 and 15,188.49 is: 20,959.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,124.11 : 37,430.51 = 15,188.49 : x
  2. Step 2: Convert to fraction form
    27,124.11/37,430.51 = 15,188.49/x
  3. Step 3: Cross multiply
    27,124.11x = 37,430.51 × 15,188.49
  4. Step 4: Simplify right side
    27,124.11x = 568,512,850.89
  5. Step 5: Solve for x
    x = 568,512,850.89/27,124.11
  6. Step 6: Final answer
    x = 20,959.69

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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.