Home / 18,235.02-27,352.54-10,438.42

Finding the Fourth Proportional to 18,235.02, 27,352.54 and 10,438.42

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Solution

The fourth proportional to 18,235.02, 27,352.54 and 10,438.42 is: 15,657.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235.02 : 27,352.54 = 10,438.42 : x
  2. Step 2: Convert to fraction form
    18,235.02/27,352.54 = 10,438.42/x
  3. Step 3: Cross multiply
    18,235.02x = 27,352.54 × 10,438.42
  4. Step 4: Simplify right side
    18,235.02x = 285,517,300.59
  5. Step 5: Solve for x
    x = 285,517,300.59/18,235.02
  6. Step 6: Final answer
    x = 15,657.64

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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.