Home / 20,736.37-28,607.07-14,019.52

Finding the Fourth Proportional to 20,736.37, 28,607.07 and 14,019.52

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Solution

The fourth proportional to 20,736.37, 28,607.07 and 14,019.52 is: 19,340.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736.37 : 28,607.07 = 14,019.52 : x
  2. Step 2: Convert to fraction form
    20,736.37/28,607.07 = 14,019.52/x
  3. Step 3: Cross multiply
    20,736.37x = 28,607.07 × 14,019.52
  4. Step 4: Simplify right side
    20,736.37x = 401,057,390.01
  5. Step 5: Solve for x
    x = 401,057,390.01/20,736.37
  6. Step 6: Final answer
    x = 19,340.77

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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.