Home / 14,028.36-21,045.54-4,168.32

Finding the Fourth Proportional to 14,028.36, 21,045.54 and 4,168.32

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Solution

The fourth proportional to 14,028.36, 21,045.54 and 4,168.32 is: 6,253.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.36 : 21,045.54 = 4,168.32 : x
  2. Step 2: Convert to fraction form
    14,028.36/21,045.54 = 4,168.32/x
  3. Step 3: Cross multiply
    14,028.36x = 21,045.54 × 4,168.32
  4. Step 4: Simplify right side
    14,028.36x = 87,724,545.29
  5. Step 5: Solve for x
    x = 87,724,545.29/14,028.36
  6. Step 6: Final answer
    x = 6,253.37

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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.