Home / 20,068.14-27,693.18-12,108.54

Finding the Fourth Proportional to 20,068.14, 27,693.18 and 12,108.54

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Solution

The fourth proportional to 20,068.14, 27,693.18 and 12,108.54 is: 16,709.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068.14 : 27,693.18 = 12,108.54 : x
  2. Step 2: Convert to fraction form
    20,068.14/27,693.18 = 12,108.54/x
  3. Step 3: Cross multiply
    20,068.14x = 27,693.18 × 12,108.54
  4. Step 4: Simplify right side
    20,068.14x = 335,323,977.76
  5. Step 5: Solve for x
    x = 335,323,977.76/20,068.14
  6. Step 6: Final answer
    x = 16,709.27

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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.