Home / 25,700.99-35,467.61-15,090.80

Finding the Fourth Proportional to 25,700.99, 35,467.61 and 15,090.80

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Solution

The fourth proportional to 25,700.99, 35,467.61 and 15,090.80 is: 20,825.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,700.99 : 35,467.61 = 15,090.80 : x
  2. Step 2: Convert to fraction form
    25,700.99/35,467.61 = 15,090.80/x
  3. Step 3: Cross multiply
    25,700.99x = 35,467.61 × 15,090.80
  4. Step 4: Simplify right side
    25,700.99x = 535,234,356.20
  5. Step 5: Solve for x
    x = 535,234,356.20/25,700.99
  6. Step 6: Final answer
    x = 20,825.44

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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.