Home / 18,786.02-25,924.32-10,827.77

Finding the Fourth Proportional to 18,786.02, 25,924.32 and 10,827.77

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Solution

The fourth proportional to 18,786.02, 25,924.32 and 10,827.77 is: 14,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,786.02 : 25,924.32 = 10,827.77 : x
  2. Step 2: Convert to fraction form
    18,786.02/25,924.32 = 10,827.77/x
  3. Step 3: Cross multiply
    18,786.02x = 25,924.32 × 10,827.77
  4. Step 4: Simplify right side
    18,786.02x = 280,702,444.74
  5. Step 5: Solve for x
    x = 280,702,444.74/18,786.02
  6. Step 6: Final answer
    x = 14,942.10

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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.