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Finding the Fourth Proportional to 13,465.19, 20,179.96 and 10,333.22

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Solution

The fourth proportional to 13,465.19, 20,179.96 and 10,333.22 is: 15,486.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.19 : 20,179.96 = 10,333.22 : x
  2. Step 2: Convert to fraction form
    13,465.19/20,179.96 = 10,333.22/x
  3. Step 3: Cross multiply
    13,465.19x = 20,179.96 × 10,333.22
  4. Step 4: Simplify right side
    13,465.19x = 208,523,990.89
  5. Step 5: Solve for x
    x = 208,523,990.89/13,465.19
  6. Step 6: Final answer
    x = 15,486.16

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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.