Home / 14,286.07-21,431.55-4,927.06

Finding the Fourth Proportional to 14,286.07, 21,431.55 and 4,927.06

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Solution

The fourth proportional to 14,286.07, 21,431.55 and 4,927.06 is: 7,391.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286.07 : 21,431.55 = 4,927.06 : x
  2. Step 2: Convert to fraction form
    14,286.07/21,431.55 = 4,927.06/x
  3. Step 3: Cross multiply
    14,286.07x = 21,431.55 × 4,927.06
  4. Step 4: Simplify right side
    14,286.07x = 105,594,532.74
  5. Step 5: Solve for x
    x = 105,594,532.74/14,286.07
  6. Step 6: Final answer
    x = 7,391.43

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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.