Home / 14,379.14-21,570.60-5,019.32

Finding the Fourth Proportional to 14,379.14, 21,570.60 and 5,019.32

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Solution

The fourth proportional to 14,379.14, 21,570.60 and 5,019.32 is: 7,529.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,379.14 : 21,570.60 = 5,019.32 : x
  2. Step 2: Convert to fraction form
    14,379.14/21,570.60 = 5,019.32/x
  3. Step 3: Cross multiply
    14,379.14x = 21,570.60 × 5,019.32
  4. Step 4: Simplify right side
    14,379.14x = 108,269,743.99
  5. Step 5: Solve for x
    x = 108,269,743.99/14,379.14
  6. Step 6: Final answer
    x = 7,529.64

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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.