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Finding the Fourth Proportional to 19,107.59, 26,368.49 and 10,724.09

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Solution

The fourth proportional to 19,107.59, 26,368.49 and 10,724.09 is: 14,799.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,107.59 : 26,368.49 = 10,724.09 : x
  2. Step 2: Convert to fraction form
    19,107.59/26,368.49 = 10,724.09/x
  3. Step 3: Cross multiply
    19,107.59x = 26,368.49 × 10,724.09
  4. Step 4: Simplify right side
    19,107.59x = 282,778,059.92
  5. Step 5: Solve for x
    x = 282,778,059.92/19,107.59
  6. Step 6: Final answer
    x = 14,799.25

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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.