Home / 18,626.42-25,697.18-10,664.39

Finding the Fourth Proportional to 18,626.42, 25,697.18 and 10,664.39

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Solution

The fourth proportional to 18,626.42, 25,697.18 and 10,664.39 is: 14,712.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,626.42 : 25,697.18 = 10,664.39 : x
  2. Step 2: Convert to fraction form
    18,626.42/25,697.18 = 10,664.39/x
  3. Step 3: Cross multiply
    18,626.42x = 25,697.18 × 10,664.39
  4. Step 4: Simplify right side
    18,626.42x = 274,044,647.60
  5. Step 5: Solve for x
    x = 274,044,647.60/18,626.42
  6. Step 6: Final answer
    x = 14,712.69

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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.