Home / 19,937.52-27,512.93-11,433.74

Finding the Fourth Proportional to 19,937.52, 27,512.93 and 11,433.74

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Solution

The fourth proportional to 19,937.52, 27,512.93 and 11,433.74 is: 15,778.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937.52 : 27,512.93 = 11,433.74 : x
  2. Step 2: Convert to fraction form
    19,937.52/27,512.93 = 11,433.74/x
  3. Step 3: Cross multiply
    19,937.52x = 27,512.93 × 11,433.74
  4. Step 4: Simplify right side
    19,937.52x = 314,575,493.52
  5. Step 5: Solve for x
    x = 314,575,493.52/19,937.52
  6. Step 6: Final answer
    x = 15,778.07

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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.