Home / 25,523.60-35,223.32-15,453.88

Finding the Fourth Proportional to 25,523.60, 35,223.32 and 15,453.88

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Solution

The fourth proportional to 25,523.60, 35,223.32 and 15,453.88 is: 21,326.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,523.60 : 35,223.32 = 15,453.88 : x
  2. Step 2: Convert to fraction form
    25,523.60/35,223.32 = 15,453.88/x
  3. Step 3: Cross multiply
    25,523.60x = 35,223.32 × 15,453.88
  4. Step 4: Simplify right side
    25,523.60x = 544,336,911.06
  5. Step 5: Solve for x
    x = 544,336,911.06/25,523.60
  6. Step 6: Final answer
    x = 21,326.81

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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.