Home / 14,015.52-21,029.22-7,002.54

Finding the Fourth Proportional to 14,015.52, 21,029.22 and 7,002.54

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Solution

The fourth proportional to 14,015.52, 21,029.22 and 7,002.54 is: 10,506.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.52 : 21,029.22 = 7,002.54 : x
  2. Step 2: Convert to fraction form
    14,015.52/21,029.22 = 7,002.54/x
  3. Step 3: Cross multiply
    14,015.52x = 21,029.22 × 7,002.54
  4. Step 4: Simplify right side
    14,015.52x = 147,257,954.22
  5. Step 5: Solve for x
    x = 147,257,954.22/14,015.52
  6. Step 6: Final answer
    x = 10,506.78

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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.