Home / 25,372.08-35,009.32-15,933.96

Finding the Fourth Proportional to 25,372.08, 35,009.32 and 15,933.96

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Solution

The fourth proportional to 25,372.08, 35,009.32 and 15,933.96 is: 21,986.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,372.08 : 35,009.32 = 15,933.96 : x
  2. Step 2: Convert to fraction form
    25,372.08/35,009.32 = 15,933.96/x
  3. Step 3: Cross multiply
    25,372.08x = 35,009.32 × 15,933.96
  4. Step 4: Simplify right side
    25,372.08x = 557,837,104.51
  5. Step 5: Solve for x
    x = 557,837,104.51/25,372.08
  6. Step 6: Final answer
    x = 21,986.26

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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.