Home / 30,015.75-41,422.08-16,586.67

Finding the Fourth Proportional to 30,015.75, 41,422.08 and 16,586.67

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Solution

The fourth proportional to 30,015.75, 41,422.08 and 16,586.67 is: 22,889.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,015.75 : 41,422.08 = 16,586.67 : x
  2. Step 2: Convert to fraction form
    30,015.75/41,422.08 = 16,586.67/x
  3. Step 3: Cross multiply
    30,015.75x = 41,422.08 × 16,586.67
  4. Step 4: Simplify right side
    30,015.75x = 687,054,371.67
  5. Step 5: Solve for x
    x = 687,054,371.67/30,015.75
  6. Step 6: Final answer
    x = 22,889.80

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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.