Home / 15,947.72-23,922.80-4,855.35

Finding the Fourth Proportional to 15,947.72, 23,922.80 and 4,855.35

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Solution

The fourth proportional to 15,947.72, 23,922.80 and 4,855.35 is: 7,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,947.72 : 23,922.80 = 4,855.35 : x
  2. Step 2: Convert to fraction form
    15,947.72/23,922.80 = 4,855.35/x
  3. Step 3: Cross multiply
    15,947.72x = 23,922.80 × 4,855.35
  4. Step 4: Simplify right side
    15,947.72x = 116,153,542.70
  5. Step 5: Solve for x
    x = 116,153,542.70/15,947.72
  6. Step 6: Final answer
    x = 7,283.40

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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.