Home / 14,152.48-21,228.72-4,912

Finding the Fourth Proportional to 14,152.48, 21,228.72 and 4,912

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Solution

The fourth proportional to 14,152.48, 21,228.72 and 4,912 is: 7,368

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152.48 : 21,228.72 = 4,912 : x
  2. Step 2: Convert to fraction form
    14,152.48/21,228.72 = 4,912/x
  3. Step 3: Cross multiply
    14,152.48x = 21,228.72 × 4,912
  4. Step 4: Simplify right side
    14,152.48x = 104,275,472.64
  5. Step 5: Solve for x
    x = 104,275,472.64/14,152.48
  6. Step 6: Final answer
    x = 7,368

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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.