Home / 15,921.74-21,973.32-10,268.26

Finding the Fourth Proportional to 15,921.74, 21,973.32 and 10,268.26

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Solution

The fourth proportional to 15,921.74, 21,973.32 and 10,268.26 is: 14,171.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,921.74 : 21,973.32 = 10,268.26 : x
  2. Step 2: Convert to fraction form
    15,921.74/21,973.32 = 10,268.26/x
  3. Step 3: Cross multiply
    15,921.74x = 21,973.32 × 10,268.26
  4. Step 4: Simplify right side
    15,921.74x = 225,627,762.82
  5. Step 5: Solve for x
    x = 225,627,762.82/15,921.74
  6. Step 6: Final answer
    x = 14,171.05

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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.