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Finding the Fourth Proportional to 19,195, 26,497.98 and 13,534.36

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Solution

The fourth proportional to 19,195, 26,497.98 and 13,534.36 is: 18,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,195 : 26,497.98 = 13,534.36 : x
  2. Step 2: Convert to fraction form
    19,195/26,497.98 = 13,534.36/x
  3. Step 3: Cross multiply
    19,195x = 26,497.98 × 13,534.36
  4. Step 4: Simplify right side
    19,195x = 358,633,200.59
  5. Step 5: Solve for x
    x = 358,633,200.59/19,195
  6. Step 6: Final answer
    x = 18,683.68

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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.