Home / 20,044.02-27,638.11-14,992.05

Finding the Fourth Proportional to 20,044.02, 27,638.11 and 14,992.05

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Solution

The fourth proportional to 20,044.02, 27,638.11 and 14,992.05 is: 20,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,044.02 : 27,638.11 = 14,992.05 : x
  2. Step 2: Convert to fraction form
    20,044.02/27,638.11 = 14,992.05/x
  3. Step 3: Cross multiply
    20,044.02x = 27,638.11 × 14,992.05
  4. Step 4: Simplify right side
    20,044.02x = 414,351,927.03
  5. Step 5: Solve for x
    x = 414,351,927.03/20,044.02
  6. Step 6: Final answer
    x = 20,672.10

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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.