Home / 15,786.70-23,683.76-4,693.48

Finding the Fourth Proportional to 15,786.70, 23,683.76 and 4,693.48

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Solution

The fourth proportional to 15,786.70, 23,683.76 and 4,693.48 is: 7,041.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,786.70 : 23,683.76 = 4,693.48 : x
  2. Step 2: Convert to fraction form
    15,786.70/23,683.76 = 4,693.48/x
  3. Step 3: Cross multiply
    15,786.70x = 23,683.76 × 4,693.48
  4. Step 4: Simplify right side
    15,786.70x = 111,159,253.88
  5. Step 5: Solve for x
    x = 111,159,253.88/15,786.70
  6. Step 6: Final answer
    x = 7,041.32

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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.