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Finding the Fourth Proportional to 13,374.70, 20,054.76 and 10,619.08

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Solution

The fourth proportional to 13,374.70, 20,054.76 and 10,619.08 is: 15,922.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374.70 : 20,054.76 = 10,619.08 : x
  2. Step 2: Convert to fraction form
    13,374.70/20,054.76 = 10,619.08/x
  3. Step 3: Cross multiply
    13,374.70x = 20,054.76 × 10,619.08
  4. Step 4: Simplify right side
    13,374.70x = 212,963,100.82
  5. Step 5: Solve for x
    x = 212,963,100.82/13,374.70
  6. Step 6: Final answer
    x = 15,922.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.