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Finding the Fourth Proportional to 14,397.82, 19,854.93 and 9,363.67

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Solution

The fourth proportional to 14,397.82, 19,854.93 and 9,363.67 is: 12,912.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,397.82 : 19,854.93 = 9,363.67 : x
  2. Step 2: Convert to fraction form
    14,397.82/19,854.93 = 9,363.67/x
  3. Step 3: Cross multiply
    14,397.82x = 19,854.93 × 9,363.67
  4. Step 4: Simplify right side
    14,397.82x = 185,915,012.39
  5. Step 5: Solve for x
    x = 185,915,012.39/14,397.82
  6. Step 6: Final answer
    x = 12,912.72

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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.