Home / 25,896.45-38,775.47-16,485.51

Finding the Fourth Proportional to 25,896.45, 38,775.47 and 16,485.51

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Solution

The fourth proportional to 25,896.45, 38,775.47 and 16,485.51 is: 24,684.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,896.45 : 38,775.47 = 16,485.51 : x
  2. Step 2: Convert to fraction form
    25,896.45/38,775.47 = 16,485.51/x
  3. Step 3: Cross multiply
    25,896.45x = 38,775.47 × 16,485.51
  4. Step 4: Simplify right side
    25,896.45x = 639,233,398.44
  5. Step 5: Solve for x
    x = 639,233,398.44/25,896.45
  6. Step 6: Final answer
    x = 24,684.21

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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.