Home / 14,523.10-21,740.77-13,137.06

Finding the Fourth Proportional to 14,523.10, 21,740.77 and 13,137.06

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Solution

The fourth proportional to 14,523.10, 21,740.77 and 13,137.06 is: 19,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,523.10 : 21,740.77 = 13,137.06 : x
  2. Step 2: Convert to fraction form
    14,523.10/21,740.77 = 13,137.06/x
  3. Step 3: Cross multiply
    14,523.10x = 21,740.77 × 13,137.06
  4. Step 4: Simplify right side
    14,523.10x = 285,609,799.94
  5. Step 5: Solve for x
    x = 285,609,799.94/14,523.10
  6. Step 6: Final answer
    x = 19,665.90

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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.