Home / 18,435.02-27,651.92-10,118.95

Finding the Fourth Proportional to 18,435.02, 27,651.92 and 10,118.95

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Solution

The fourth proportional to 18,435.02, 27,651.92 and 10,118.95 is: 15,178.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435.02 : 27,651.92 = 10,118.95 : x
  2. Step 2: Convert to fraction form
    18,435.02/27,651.92 = 10,118.95/x
  3. Step 3: Cross multiply
    18,435.02x = 27,651.92 × 10,118.95
  4. Step 4: Simplify right side
    18,435.02x = 279,808,276.16
  5. Step 5: Solve for x
    x = 279,808,276.16/18,435.02
  6. Step 6: Final answer
    x = 15,178.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.