Home / 18,586.08-25,626.24-12,925.44

Finding the Fourth Proportional to 18,586.08, 25,626.24 and 12,925.44

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Solution

The fourth proportional to 18,586.08, 25,626.24 and 12,925.44 is: 17,821.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,586.08 : 25,626.24 = 12,925.44 : x
  2. Step 2: Convert to fraction form
    18,586.08/25,626.24 = 12,925.44/x
  3. Step 3: Cross multiply
    18,586.08x = 25,626.24 × 12,925.44
  4. Step 4: Simplify right side
    18,586.08x = 331,230,427.55
  5. Step 5: Solve for x
    x = 331,230,427.55/18,586.08
  6. Step 6: Final answer
    x = 17,821.42

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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.