Home / 14,537.70-21,815.55-5,771.70

Finding the Fourth Proportional to 14,537.70, 21,815.55 and 5,771.70

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Solution

The fourth proportional to 14,537.70, 21,815.55 and 5,771.70 is: 8,661.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,537.70 : 21,815.55 = 5,771.70 : x
  2. Step 2: Convert to fraction form
    14,537.70/21,815.55 = 5,771.70/x
  3. Step 3: Cross multiply
    14,537.70x = 21,815.55 × 5,771.70
  4. Step 4: Simplify right side
    14,537.70x = 125,912,809.94
  5. Step 5: Solve for x
    x = 125,912,809.94/14,537.70
  6. Step 6: Final answer
    x = 8,661.12

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1.5x scale

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.