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Finding the Fourth Proportional to 19,698.43, 27,184.52 and 10,746.43

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Solution

The fourth proportional to 19,698.43, 27,184.52 and 10,746.43 is: 14,830.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,698.43 : 27,184.52 = 10,746.43 : x
  2. Step 2: Convert to fraction form
    19,698.43/27,184.52 = 10,746.43/x
  3. Step 3: Cross multiply
    19,698.43x = 27,184.52 × 10,746.43
  4. Step 4: Simplify right side
    19,698.43x = 292,136,534.39
  5. Step 5: Solve for x
    x = 292,136,534.39/19,698.43
  6. Step 6: Final answer
    x = 14,830.44

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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.