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Finding the Fourth Proportional to 14,097.70, 21,146.55 and 11,793.70

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Solution

The fourth proportional to 14,097.70, 21,146.55 and 11,793.70 is: 17,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,097.70 : 21,146.55 = 11,793.70 : x
  2. Step 2: Convert to fraction form
    14,097.70/21,146.55 = 11,793.70/x
  3. Step 3: Cross multiply
    14,097.70x = 21,146.55 × 11,793.70
  4. Step 4: Simplify right side
    14,097.70x = 249,396,066.74
  5. Step 5: Solve for x
    x = 249,396,066.74/14,097.70
  6. Step 6: Final answer
    x = 17,690.55

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Similar ratio
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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.