Home / 25,868.37-35,697.35-15,813.65

Finding the Fourth Proportional to 25,868.37, 35,697.35 and 15,813.65

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Solution

The fourth proportional to 25,868.37, 35,697.35 and 15,813.65 is: 21,822.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,868.37 : 35,697.35 = 15,813.65 : x
  2. Step 2: Convert to fraction form
    25,868.37/35,697.35 = 15,813.65/x
  3. Step 3: Cross multiply
    25,868.37x = 35,697.35 × 15,813.65
  4. Step 4: Simplify right side
    25,868.37x = 564,505,141.27
  5. Step 5: Solve for x
    x = 564,505,141.27/25,868.37
  6. Step 6: Final answer
    x = 21,822.22

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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.