Home / 13,051.78-19,585.90-6,823.02

Finding the Fourth Proportional to 13,051.78, 19,585.90 and 6,823.02

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Solution

The fourth proportional to 13,051.78, 19,585.90 and 6,823.02 is: 10,238.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.78 : 19,585.90 = 6,823.02 : x
  2. Step 2: Convert to fraction form
    13,051.78/19,585.90 = 6,823.02/x
  3. Step 3: Cross multiply
    13,051.78x = 19,585.90 × 6,823.02
  4. Step 4: Simplify right side
    13,051.78x = 133,634,987.42
  5. Step 5: Solve for x
    x = 133,634,987.42/13,051.78
  6. Step 6: Final answer
    x = 10,238.83

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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.