Home / 18,727.63-25,844.31-10,660.88

Finding the Fourth Proportional to 18,727.63, 25,844.31 and 10,660.88

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Solution

The fourth proportional to 18,727.63, 25,844.31 and 10,660.88 is: 14,712.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727.63 : 25,844.31 = 10,660.88 : x
  2. Step 2: Convert to fraction form
    18,727.63/25,844.31 = 10,660.88/x
  3. Step 3: Cross multiply
    18,727.63x = 25,844.31 × 10,660.88
  4. Step 4: Simplify right side
    18,727.63x = 275,523,152.20
  5. Step 5: Solve for x
    x = 275,523,152.20/18,727.63
  6. Step 6: Final answer
    x = 14,712.12

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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.