Home / 18,669.41-25,763.58-10,712.88

Finding the Fourth Proportional to 18,669.41, 25,763.58 and 10,712.88

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Solution

The fourth proportional to 18,669.41, 25,763.58 and 10,712.88 is: 14,783.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.41 : 25,763.58 = 10,712.88 : x
  2. Step 2: Convert to fraction form
    18,669.41/25,763.58 = 10,712.88/x
  3. Step 3: Cross multiply
    18,669.41x = 25,763.58 × 10,712.88
  4. Step 4: Simplify right side
    18,669.41x = 276,002,140.91
  5. Step 5: Solve for x
    x = 276,002,140.91/18,669.41
  6. Step 6: Final answer
    x = 14,783.66

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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.