Home / 18,410.94-25,405.88-10,856.92

Finding the Fourth Proportional to 18,410.94, 25,405.88 and 10,856.92

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Solution

The fourth proportional to 18,410.94, 25,405.88 and 10,856.92 is: 14,981.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,410.94 : 25,405.88 = 10,856.92 : x
  2. Step 2: Convert to fraction form
    18,410.94/25,405.88 = 10,856.92/x
  3. Step 3: Cross multiply
    18,410.94x = 25,405.88 × 10,856.92
  4. Step 4: Simplify right side
    18,410.94x = 275,829,570.32
  5. Step 5: Solve for x
    x = 275,829,570.32/18,410.94
  6. Step 6: Final answer
    x = 14,981.83

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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.