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Finding the Fourth Proportional to 14,799.27, 20,388.27 and 10,314.87

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Solution

The fourth proportional to 14,799.27, 20,388.27 and 10,314.87 is: 14,210.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,799.27 : 20,388.27 = 10,314.87 : x
  2. Step 2: Convert to fraction form
    14,799.27/20,388.27 = 10,314.87/x
  3. Step 3: Cross multiply
    14,799.27x = 20,388.27 × 10,314.87
  4. Step 4: Simplify right side
    14,799.27x = 210,302,354.57
  5. Step 5: Solve for x
    x = 210,302,354.57/14,799.27
  6. Step 6: Final answer
    x = 14,210.32

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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.