Home / 25,621.32-35,343.98-20,846.60

Finding the Fourth Proportional to 25,621.32, 35,343.98 and 20,846.60

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Solution

The fourth proportional to 25,621.32, 35,343.98 and 20,846.60 is: 28,757.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,621.32 : 35,343.98 = 20,846.60 : x
  2. Step 2: Convert to fraction form
    25,621.32/35,343.98 = 20,846.60/x
  3. Step 3: Cross multiply
    25,621.32x = 35,343.98 × 20,846.60
  4. Step 4: Simplify right side
    25,621.32x = 736,801,813.47
  5. Step 5: Solve for x
    x = 736,801,813.47/25,621.32
  6. Step 6: Final answer
    x = 28,757.37

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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.