Home / 15,203.84-20,995.74-14,375.48

Finding the Fourth Proportional to 15,203.84, 20,995.74 and 14,375.48

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Solution

The fourth proportional to 15,203.84, 20,995.74 and 14,375.48 is: 19,851.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,203.84 : 20,995.74 = 14,375.48 : x
  2. Step 2: Convert to fraction form
    15,203.84/20,995.74 = 14,375.48/x
  3. Step 3: Cross multiply
    15,203.84x = 20,995.74 × 14,375.48
  4. Step 4: Simplify right side
    15,203.84x = 301,823,735.48
  5. Step 5: Solve for x
    x = 301,823,735.48/15,203.84
  6. Step 6: Final answer
    x = 19,851.82

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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.