Home / 19,937.26-27,512.40-10,984.54

Finding the Fourth Proportional to 19,937.26, 27,512.40 and 10,984.54

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Solution

The fourth proportional to 19,937.26, 27,512.40 and 10,984.54 is: 15,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937.26 : 27,512.40 = 10,984.54 : x
  2. Step 2: Convert to fraction form
    19,937.26/27,512.40 = 10,984.54/x
  3. Step 3: Cross multiply
    19,937.26x = 27,512.40 × 10,984.54
  4. Step 4: Simplify right side
    19,937.26x = 302,211,058.30
  5. Step 5: Solve for x
    x = 302,211,058.30/19,937.26
  6. Step 6: Final answer
    x = 15,158.10

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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.