Home / 30,015.74-41,420.66-16,586.75

Finding the Fourth Proportional to 30,015.74, 41,420.66 and 16,586.75

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Solution

The fourth proportional to 30,015.74, 41,420.66 and 16,586.75 is: 22,889.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,015.74 : 41,420.66 = 16,586.75 : x
  2. Step 2: Convert to fraction form
    30,015.74/41,420.66 = 16,586.75/x
  3. Step 3: Cross multiply
    30,015.74x = 41,420.66 × 16,586.75
  4. Step 4: Simplify right side
    30,015.74x = 687,033,842.22
  5. Step 5: Solve for x
    x = 687,033,842.22/30,015.74
  6. Step 6: Final answer
    x = 22,889.12

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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.