Home / 18,512.06-25,539.36-10,955.63

Finding the Fourth Proportional to 18,512.06, 25,539.36 and 10,955.63

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Solution

The fourth proportional to 18,512.06, 25,539.36 and 10,955.63 is: 15,114.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,512.06 : 25,539.36 = 10,955.63 : x
  2. Step 2: Convert to fraction form
    18,512.06/25,539.36 = 10,955.63/x
  3. Step 3: Cross multiply
    18,512.06x = 25,539.36 × 10,955.63
  4. Step 4: Simplify right side
    18,512.06x = 279,799,650.90
  5. Step 5: Solve for x
    x = 279,799,650.90/18,512.06
  6. Step 6: Final answer
    x = 15,114.46

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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.