Home / 15,771.33-21,763.70-9,052.23

Finding the Fourth Proportional to 15,771.33, 21,763.70 and 9,052.23

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Solution

The fourth proportional to 15,771.33, 21,763.70 and 9,052.23 is: 12,491.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,771.33 : 21,763.70 = 9,052.23 : x
  2. Step 2: Convert to fraction form
    15,771.33/21,763.70 = 9,052.23/x
  3. Step 3: Cross multiply
    15,771.33x = 21,763.70 × 9,052.23
  4. Step 4: Simplify right side
    15,771.33x = 197,010,018.05
  5. Step 5: Solve for x
    x = 197,010,018.05/15,771.33
  6. Step 6: Final answer
    x = 12,491.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.