Home / 20,400.02-30,596.37-5,606.99

Finding the Fourth Proportional to 20,400.02, 30,596.37 and 5,606.99

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Solution

The fourth proportional to 20,400.02, 30,596.37 and 5,606.99 is: 8,409.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,400.02 : 30,596.37 = 5,606.99 : x
  2. Step 2: Convert to fraction form
    20,400.02/30,596.37 = 5,606.99/x
  3. Step 3: Cross multiply
    20,400.02x = 30,596.37 × 5,606.99
  4. Step 4: Simplify right side
    20,400.02x = 171,553,540.63
  5. Step 5: Solve for x
    x = 171,553,540.63/20,400.02
  6. Step 6: Final answer
    x = 8,409.48

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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.