Home / 13,714.98-18,926.64-7,427.36

Finding the Fourth Proportional to 13,714.98, 18,926.64 and 7,427.36

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Solution

The fourth proportional to 13,714.98, 18,926.64 and 7,427.36 is: 10,249.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.98 : 18,926.64 = 7,427.36 : x
  2. Step 2: Convert to fraction form
    13,714.98/18,926.64 = 7,427.36/x
  3. Step 3: Cross multiply
    13,714.98x = 18,926.64 × 7,427.36
  4. Step 4: Simplify right side
    13,714.98x = 140,574,874.24
  5. Step 5: Solve for x
    x = 140,574,874.24/13,714.98
  6. Step 6: Final answer
    x = 10,249.73

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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.