Home / 25,894.08-35,725.48-15,286.32

Finding the Fourth Proportional to 25,894.08, 35,725.48 and 15,286.32

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Solution

The fourth proportional to 25,894.08, 35,725.48 and 15,286.32 is: 21,090.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,894.08 : 35,725.48 = 15,286.32 : x
  2. Step 2: Convert to fraction form
    25,894.08/35,725.48 = 15,286.32/x
  3. Step 3: Cross multiply
    25,894.08x = 35,725.48 × 15,286.32
  4. Step 4: Simplify right side
    25,894.08x = 546,111,119.43
  5. Step 5: Solve for x
    x = 546,111,119.43/25,894.08
  6. Step 6: Final answer
    x = 21,090.19

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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.