Home / 13,714.03-18,925.55-7,664.01

Finding the Fourth Proportional to 13,714.03, 18,925.55 and 7,664.01

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Solution

The fourth proportional to 13,714.03, 18,925.55 and 7,664.01 is: 10,576.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.03 : 18,925.55 = 7,664.01 : x
  2. Step 2: Convert to fraction form
    13,714.03/18,925.55 = 7,664.01/x
  3. Step 3: Cross multiply
    13,714.03x = 18,925.55 × 7,664.01
  4. Step 4: Simplify right side
    13,714.03x = 145,045,604.46
  5. Step 5: Solve for x
    x = 145,045,604.46/13,714.03
  6. Step 6: Final answer
    x = 10,576.44

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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.