Home / 16,990.20-25,427.70-14,916.60

Finding the Fourth Proportional to 16,990.20, 25,427.70 and 14,916.60

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Solution

The fourth proportional to 16,990.20, 25,427.70 and 14,916.60 is: 22,324.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,990.20 : 25,427.70 = 14,916.60 : x
  2. Step 2: Convert to fraction form
    16,990.20/25,427.70 = 14,916.60/x
  3. Step 3: Cross multiply
    16,990.20x = 25,427.70 × 14,916.60
  4. Step 4: Simplify right side
    16,990.20x = 379,294,829.82
  5. Step 5: Solve for x
    x = 379,294,829.82/16,990.20
  6. Step 6: Final answer
    x = 22,324.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.