Home / 19,204.44-28,908.56-13,695.90

Finding the Fourth Proportional to 19,204.44, 28,908.56 and 13,695.90

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Solution

The fourth proportional to 19,204.44, 28,908.56 and 13,695.90 is: 20,616.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,204.44 : 28,908.56 = 13,695.90 : x
  2. Step 2: Convert to fraction form
    19,204.44/28,908.56 = 13,695.90/x
  3. Step 3: Cross multiply
    19,204.44x = 28,908.56 × 13,695.90
  4. Step 4: Simplify right side
    19,204.44x = 395,928,746.90
  5. Step 5: Solve for x
    x = 395,928,746.90/19,204.44
  6. Step 6: Final answer
    x = 20,616.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.