Home / 18,757.02-25,872.48-12,031.99

Finding the Fourth Proportional to 18,757.02, 25,872.48 and 12,031.99

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Solution

The fourth proportional to 18,757.02, 25,872.48 and 12,031.99 is: 16,596.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,757.02 : 25,872.48 = 12,031.99 : x
  2. Step 2: Convert to fraction form
    18,757.02/25,872.48 = 12,031.99/x
  3. Step 3: Cross multiply
    18,757.02x = 25,872.48 × 12,031.99
  4. Step 4: Simplify right side
    18,757.02x = 311,297,420.64
  5. Step 5: Solve for x
    x = 311,297,420.64/18,757.02
  6. Step 6: Final answer
    x = 16,596.32

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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.