Home / 15,789.78-23,684.76-4,103.01

Finding the Fourth Proportional to 15,789.78, 23,684.76 and 4,103.01

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Solution

The fourth proportional to 15,789.78, 23,684.76 and 4,103.01 is: 6,154.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,789.78 : 23,684.76 = 4,103.01 : x
  2. Step 2: Convert to fraction form
    15,789.78/23,684.76 = 4,103.01/x
  3. Step 3: Cross multiply
    15,789.78x = 23,684.76 × 4,103.01
  4. Step 4: Simplify right side
    15,789.78x = 97,178,807.13
  5. Step 5: Solve for x
    x = 97,178,807.13/15,789.78
  6. Step 6: Final answer
    x = 6,154.54

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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.