Home / 18,762.12-25,883.96-12,051.68

Finding the Fourth Proportional to 18,762.12, 25,883.96 and 12,051.68

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Solution

The fourth proportional to 18,762.12, 25,883.96 and 12,051.68 is: 16,626.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,762.12 : 25,883.96 = 12,051.68 : x
  2. Step 2: Convert to fraction form
    18,762.12/25,883.96 = 12,051.68/x
  3. Step 3: Cross multiply
    18,762.12x = 25,883.96 × 12,051.68
  4. Step 4: Simplify right side
    18,762.12x = 311,945,013.37
  5. Step 5: Solve for x
    x = 311,945,013.37/18,762.12
  6. Step 6: Final answer
    x = 16,626.32

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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.