Home / 14,052.80-21,083.32-4,192.40

Finding the Fourth Proportional to 14,052.80, 21,083.32 and 4,192.40

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Solution

The fourth proportional to 14,052.80, 21,083.32 and 4,192.40 is: 6,289.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,052.80 : 21,083.32 = 4,192.40 : x
  2. Step 2: Convert to fraction form
    14,052.80/21,083.32 = 4,192.40/x
  3. Step 3: Cross multiply
    14,052.80x = 21,083.32 × 4,192.40
  4. Step 4: Simplify right side
    14,052.80x = 88,389,710.77
  5. Step 5: Solve for x
    x = 88,389,710.77/14,052.80
  6. Step 6: Final answer
    x = 6,289.83

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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.