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Finding the Fourth Proportional to 19,994.92, 29,969.34 and 14,366.32

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Solution

The fourth proportional to 19,994.92, 29,969.34 and 14,366.32 is: 21,532.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,994.92 : 29,969.34 = 14,366.32 : x
  2. Step 2: Convert to fraction form
    19,994.92/29,969.34 = 14,366.32/x
  3. Step 3: Cross multiply
    19,994.92x = 29,969.34 × 14,366.32
  4. Step 4: Simplify right side
    19,994.92x = 430,549,128.63
  5. Step 5: Solve for x
    x = 430,549,128.63/19,994.92
  6. Step 6: Final answer
    x = 21,532.93

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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.