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Finding the Fourth Proportional to 14,594.71, 20,222.05 and 14,279.42

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Solution

The fourth proportional to 14,594.71, 20,222.05 and 14,279.42 is: 19,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,594.71 : 20,222.05 = 14,279.42 : x
  2. Step 2: Convert to fraction form
    14,594.71/20,222.05 = 14,279.42/x
  3. Step 3: Cross multiply
    14,594.71x = 20,222.05 × 14,279.42
  4. Step 4: Simplify right side
    14,594.71x = 288,759,145.21
  5. Step 5: Solve for x
    x = 288,759,145.21/14,594.71
  6. Step 6: Final answer
    x = 19,785.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.