Home / 18,312.45-25,272.09-10,759.20

Finding the Fourth Proportional to 18,312.45, 25,272.09 and 10,759.20

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Solution

The fourth proportional to 18,312.45, 25,272.09 and 10,759.20 is: 14,848.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,312.45 : 25,272.09 = 10,759.20 : x
  2. Step 2: Convert to fraction form
    18,312.45/25,272.09 = 10,759.20/x
  3. Step 3: Cross multiply
    18,312.45x = 25,272.09 × 10,759.20
  4. Step 4: Simplify right side
    18,312.45x = 271,907,470.73
  5. Step 5: Solve for x
    x = 271,907,470.73/18,312.45
  6. Step 6: Final answer
    x = 14,848.23

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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.