Home / 15,622.18-23,435.70-5,231.50

Finding the Fourth Proportional to 15,622.18, 23,435.70 and 5,231.50

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Solution

The fourth proportional to 15,622.18, 23,435.70 and 5,231.50 is: 7,848.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,622.18 : 23,435.70 = 5,231.50 : x
  2. Step 2: Convert to fraction form
    15,622.18/23,435.70 = 5,231.50/x
  3. Step 3: Cross multiply
    15,622.18x = 23,435.70 × 5,231.50
  4. Step 4: Simplify right side
    15,622.18x = 122,603,864.55
  5. Step 5: Solve for x
    x = 122,603,864.55/15,622.18
  6. Step 6: Final answer
    x = 7,848.06

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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.