Home / 18,748.26-25,873.74-10,790.32

Finding the Fourth Proportional to 18,748.26, 25,873.74 and 10,790.32

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Solution

The fourth proportional to 18,748.26, 25,873.74 and 10,790.32 is: 14,891.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748.26 : 25,873.74 = 10,790.32 : x
  2. Step 2: Convert to fraction form
    18,748.26/25,873.74 = 10,790.32/x
  3. Step 3: Cross multiply
    18,748.26x = 25,873.74 × 10,790.32
  4. Step 4: Simplify right side
    18,748.26x = 279,185,934.20
  5. Step 5: Solve for x
    x = 279,185,934.20/18,748.26
  6. Step 6: Final answer
    x = 14,891.30

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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.