Home / 14,222.40-19,626.24-7,935.68

Finding the Fourth Proportional to 14,222.40, 19,626.24 and 7,935.68

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Solution

The fourth proportional to 14,222.40, 19,626.24 and 7,935.68 is: 10,950.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.40 : 19,626.24 = 7,935.68 : x
  2. Step 2: Convert to fraction form
    14,222.40/19,626.24 = 7,935.68/x
  3. Step 3: Cross multiply
    14,222.40x = 19,626.24 × 7,935.68
  4. Step 4: Simplify right side
    14,222.40x = 155,747,560.24
  5. Step 5: Solve for x
    x = 155,747,560.24/14,222.40
  6. Step 6: Final answer
    x = 10,950.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.