Home / 28,203.56-42,268.41-11,544.59

Finding the Fourth Proportional to 28,203.56, 42,268.41 and 11,544.59

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Solution

The fourth proportional to 28,203.56, 42,268.41 and 11,544.59 is: 17,301.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,203.56 : 42,268.41 = 11,544.59 : x
  2. Step 2: Convert to fraction form
    28,203.56/42,268.41 = 11,544.59/x
  3. Step 3: Cross multiply
    28,203.56x = 42,268.41 × 11,544.59
  4. Step 4: Simplify right side
    28,203.56x = 487,971,252.06
  5. Step 5: Solve for x
    x = 487,971,252.06/28,203.56
  6. Step 6: Final answer
    x = 17,301.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.