Home / 15,705.93-21,693.42-11,744.67

Finding the Fourth Proportional to 15,705.93, 21,693.42 and 11,744.67

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Solution

The fourth proportional to 15,705.93, 21,693.42 and 11,744.67 is: 16,222.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,705.93 : 21,693.42 = 11,744.67 : x
  2. Step 2: Convert to fraction form
    15,705.93/21,693.42 = 11,744.67/x
  3. Step 3: Cross multiply
    15,705.93x = 21,693.42 × 11,744.67
  4. Step 4: Simplify right side
    15,705.93x = 254,782,059.07
  5. Step 5: Solve for x
    x = 254,782,059.07/15,705.93
  6. Step 6: Final answer
    x = 16,222.03

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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.