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Finding the Fourth Proportional to 14,993.19, 20,709 and 11,233.17

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Solution

The fourth proportional to 14,993.19, 20,709 and 11,233.17 is: 15,515.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,993.19 : 20,709 = 11,233.17 : x
  2. Step 2: Convert to fraction form
    14,993.19/20,709 = 11,233.17/x
  3. Step 3: Cross multiply
    14,993.19x = 20,709 × 11,233.17
  4. Step 4: Simplify right side
    14,993.19x = 232,627,717.53
  5. Step 5: Solve for x
    x = 232,627,717.53/14,993.19
  6. Step 6: Final answer
    x = 15,515.56

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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.