Home / 28,652.94-39,509.16-18,568.14

Finding the Fourth Proportional to 28,652.94, 39,509.16 and 18,568.14

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Solution

The fourth proportional to 28,652.94, 39,509.16 and 18,568.14 is: 25,603.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,652.94 : 39,509.16 = 18,568.14 : x
  2. Step 2: Convert to fraction form
    28,652.94/39,509.16 = 18,568.14/x
  3. Step 3: Cross multiply
    28,652.94x = 39,509.16 × 18,568.14
  4. Step 4: Simplify right side
    28,652.94x = 733,611,614.16
  5. Step 5: Solve for x
    x = 733,611,614.16/28,652.94
  6. Step 6: Final answer
    x = 25,603.36

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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.