Home / 23,136.48-34,702.56-9,986.40

Finding the Fourth Proportional to 23,136.48, 34,702.56 and 9,986.40

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Solution

The fourth proportional to 23,136.48, 34,702.56 and 9,986.40 is: 14,978.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,136.48 : 34,702.56 = 9,986.40 : x
  2. Step 2: Convert to fraction form
    23,136.48/34,702.56 = 9,986.40/x
  3. Step 3: Cross multiply
    23,136.48x = 34,702.56 × 9,986.40
  4. Step 4: Simplify right side
    23,136.48x = 346,553,645.18
  5. Step 5: Solve for x
    x = 346,553,645.18/23,136.48
  6. Step 6: Final answer
    x = 14,978.67

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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.