Home / 20,069.04-27,693.54-12,108.36

Finding the Fourth Proportional to 20,069.04, 27,693.54 and 12,108.36

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Solution

The fourth proportional to 20,069.04, 27,693.54 and 12,108.36 is: 16,708.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,069.04 : 27,693.54 = 12,108.36 : x
  2. Step 2: Convert to fraction form
    20,069.04/27,693.54 = 12,108.36/x
  3. Step 3: Cross multiply
    20,069.04x = 27,693.54 × 12,108.36
  4. Step 4: Simplify right side
    20,069.04x = 335,323,351.99
  5. Step 5: Solve for x
    x = 335,323,351.99/20,069.04
  6. Step 6: Final answer
    x = 16,708.49

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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.