Home / 14,380.29-21,570.60-5,020.32

Finding the Fourth Proportional to 14,380.29, 21,570.60 and 5,020.32

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Solution

The fourth proportional to 14,380.29, 21,570.60 and 5,020.32 is: 7,530.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,380.29 : 21,570.60 = 5,020.32 : x
  2. Step 2: Convert to fraction form
    14,380.29/21,570.60 = 5,020.32/x
  3. Step 3: Cross multiply
    14,380.29x = 21,570.60 × 5,020.32
  4. Step 4: Simplify right side
    14,380.29x = 108,291,289.49
  5. Step 5: Solve for x
    x = 108,291,289.49/14,380.29
  6. Step 6: Final answer
    x = 7,530.54

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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.