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Finding the Fourth Proportional to 14,596.15, 20,121.69 and 10,397.11

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Solution

The fourth proportional to 14,596.15, 20,121.69 and 10,397.11 is: 14,333.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,596.15 : 20,121.69 = 10,397.11 : x
  2. Step 2: Convert to fraction form
    14,596.15/20,121.69 = 10,397.11/x
  3. Step 3: Cross multiply
    14,596.15x = 20,121.69 × 10,397.11
  4. Step 4: Simplify right side
    14,596.15x = 209,207,421.49
  5. Step 5: Solve for x
    x = 209,207,421.49/14,596.15
  6. Step 6: Final answer
    x = 14,333.06

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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.