Home / 14,153.61-21,230.46-4,292.97

Finding the Fourth Proportional to 14,153.61, 21,230.46 and 4,292.97

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Solution

The fourth proportional to 14,153.61, 21,230.46 and 4,292.97 is: 6,439.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.61 : 21,230.46 = 4,292.97 : x
  2. Step 2: Convert to fraction form
    14,153.61/21,230.46 = 4,292.97/x
  3. Step 3: Cross multiply
    14,153.61x = 21,230.46 × 4,292.97
  4. Step 4: Simplify right side
    14,153.61x = 91,141,727.87
  5. Step 5: Solve for x
    x = 91,141,727.87/14,153.61
  6. Step 6: Final answer
    x = 6,439.47

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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.