Home / 15,921.43-23,878.99-4,825.51

Finding the Fourth Proportional to 15,921.43, 23,878.99 and 4,825.51

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Solution

The fourth proportional to 15,921.43, 23,878.99 and 4,825.51 is: 7,237.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,921.43 : 23,878.99 = 4,825.51 : x
  2. Step 2: Convert to fraction form
    15,921.43/23,878.99 = 4,825.51/x
  3. Step 3: Cross multiply
    15,921.43x = 23,878.99 × 4,825.51
  4. Step 4: Simplify right side
    15,921.43x = 115,228,305.03
  5. Step 5: Solve for x
    x = 115,228,305.03/15,921.43
  6. Step 6: Final answer
    x = 7,237.31

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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.