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Finding the Fourth Proportional to 18,373.29, 25,350.71 and 11,656.50

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Solution

The fourth proportional to 18,373.29, 25,350.71 and 11,656.50 is: 16,083.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373.29 : 25,350.71 = 11,656.50 : x
  2. Step 2: Convert to fraction form
    18,373.29/25,350.71 = 11,656.50/x
  3. Step 3: Cross multiply
    18,373.29x = 25,350.71 × 11,656.50
  4. Step 4: Simplify right side
    18,373.29x = 295,500,492.83
  5. Step 5: Solve for x
    x = 295,500,492.83/18,373.29
  6. Step 6: Final answer
    x = 16,083.16

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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.