Home / 30,012.66-41,419.96-16,586.54

Finding the Fourth Proportional to 30,012.66, 41,419.96 and 16,586.54

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Solution

The fourth proportional to 30,012.66, 41,419.96 and 16,586.54 is: 22,890.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,012.66 : 41,419.96 = 16,586.54 : x
  2. Step 2: Convert to fraction form
    30,012.66/41,419.96 = 16,586.54/x
  3. Step 3: Cross multiply
    30,012.66x = 41,419.96 × 16,586.54
  4. Step 4: Simplify right side
    30,012.66x = 687,013,730.10
  5. Step 5: Solve for x
    x = 687,013,730.10/30,012.66
  6. Step 6: Final answer
    x = 22,890.80

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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.