Home / 15,979.14-23,985.76-10,443.60

Finding the Fourth Proportional to 15,979.14, 23,985.76 and 10,443.60

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Solution

The fourth proportional to 15,979.14, 23,985.76 and 10,443.60 is: 15,676.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,979.14 : 23,985.76 = 10,443.60 : x
  2. Step 2: Convert to fraction form
    15,979.14/23,985.76 = 10,443.60/x
  3. Step 3: Cross multiply
    15,979.14x = 23,985.76 × 10,443.60
  4. Step 4: Simplify right side
    15,979.14x = 250,497,683.14
  5. Step 5: Solve for x
    x = 250,497,683.14/15,979.14
  6. Step 6: Final answer
    x = 15,676.54

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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.