Home / 20,051.52-27,642.16-14,064.60

Finding the Fourth Proportional to 20,051.52, 27,642.16 and 14,064.60

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Solution

The fourth proportional to 20,051.52, 27,642.16 and 14,064.60 is: 19,388.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,051.52 : 27,642.16 = 14,064.60 : x
  2. Step 2: Convert to fraction form
    20,051.52/27,642.16 = 14,064.60/x
  3. Step 3: Cross multiply
    20,051.52x = 27,642.16 × 14,064.60
  4. Step 4: Simplify right side
    20,051.52x = 388,775,923.54
  5. Step 5: Solve for x
    x = 388,775,923.54/20,051.52
  6. Step 6: Final answer
    x = 19,388.85

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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.