Home / 15,241.26-21,071.43-11,256.06

Finding the Fourth Proportional to 15,241.26, 21,071.43 and 11,256.06

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Solution

The fourth proportional to 15,241.26, 21,071.43 and 11,256.06 is: 15,561.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,241.26 : 21,071.43 = 11,256.06 : x
  2. Step 2: Convert to fraction form
    15,241.26/21,071.43 = 11,256.06/x
  3. Step 3: Cross multiply
    15,241.26x = 21,071.43 × 11,256.06
  4. Step 4: Simplify right side
    15,241.26x = 237,181,280.37
  5. Step 5: Solve for x
    x = 237,181,280.37/15,241.26
  6. Step 6: Final answer
    x = 15,561.79

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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.