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Finding the Fourth Proportional to 14,894.12, 20,553.18 and 8,926.04

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Solution

The fourth proportional to 14,894.12, 20,553.18 and 8,926.04 is: 12,317.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,894.12 : 20,553.18 = 8,926.04 : x
  2. Step 2: Convert to fraction form
    14,894.12/20,553.18 = 8,926.04/x
  3. Step 3: Cross multiply
    14,894.12x = 20,553.18 × 8,926.04
  4. Step 4: Simplify right side
    14,894.12x = 183,458,506.81
  5. Step 5: Solve for x
    x = 183,458,506.81/14,894.12
  6. Step 6: Final answer
    x = 12,317.51

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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.