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Finding the Fourth Proportional to 14,101.14, 19,460.19 and 7,813.50

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Solution

The fourth proportional to 14,101.14, 19,460.19 and 7,813.50 is: 10,782.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.14 : 19,460.19 = 7,813.50 : x
  2. Step 2: Convert to fraction form
    14,101.14/19,460.19 = 7,813.50/x
  3. Step 3: Cross multiply
    14,101.14x = 19,460.19 × 7,813.50
  4. Step 4: Simplify right side
    14,101.14x = 152,052,194.57
  5. Step 5: Solve for x
    x = 152,052,194.57/14,101.14
  6. Step 6: Final answer
    x = 10,782.97

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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.