Home / 34,678.14-51,986.00-12,475.94

Finding the Fourth Proportional to 34,678.14, 51,986.00 and 12,475.94

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Solution

The fourth proportional to 34,678.14, 51,986.00 and 12,475.94 is: 18,702.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,678.14 : 51,986.00 = 12,475.94 : x
  2. Step 2: Convert to fraction form
    34,678.14/51,986.00 = 12,475.94/x
  3. Step 3: Cross multiply
    34,678.14x = 51,986.00 × 12,475.94
  4. Step 4: Simplify right side
    34,678.14x = 648,573,894.53
  5. Step 5: Solve for x
    x = 648,573,894.53/34,678.14
  6. Step 6: Final answer
    x = 18,702.67

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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.