Home / 15,524.63-23,289.37-5,138.81

Finding the Fourth Proportional to 15,524.63, 23,289.37 and 5,138.81

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Solution

The fourth proportional to 15,524.63, 23,289.37 and 5,138.81 is: 7,709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,524.63 : 23,289.37 = 5,138.81 : x
  2. Step 2: Convert to fraction form
    15,524.63/23,289.37 = 5,138.81/x
  3. Step 3: Cross multiply
    15,524.63x = 23,289.37 × 5,138.81
  4. Step 4: Simplify right side
    15,524.63x = 119,679,518.16
  5. Step 5: Solve for x
    x = 119,679,518.16/15,524.63
  6. Step 6: Final answer
    x = 7,709.01

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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.