Home / 13,974.21-20,963.18-5,088.38

Finding the Fourth Proportional to 13,974.21, 20,963.18 and 5,088.38

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Solution

The fourth proportional to 13,974.21, 20,963.18 and 5,088.38 is: 7,633.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.21 : 20,963.18 = 5,088.38 : x
  2. Step 2: Convert to fraction form
    13,974.21/20,963.18 = 5,088.38/x
  3. Step 3: Cross multiply
    13,974.21x = 20,963.18 × 5,088.38
  4. Step 4: Simplify right side
    13,974.21x = 106,668,495.59
  5. Step 5: Solve for x
    x = 106,668,495.59/13,974.21
  6. Step 6: Final answer
    x = 7,633.24

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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.