Home / 14,045.73-21,071.74-5,280.72

Finding the Fourth Proportional to 14,045.73, 21,071.74 and 5,280.72

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Solution

The fourth proportional to 14,045.73, 21,071.74 and 5,280.72 is: 7,922.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.73 : 21,071.74 = 5,280.72 : x
  2. Step 2: Convert to fraction form
    14,045.73/21,071.74 = 5,280.72/x
  3. Step 3: Cross multiply
    14,045.73x = 21,071.74 × 5,280.72
  4. Step 4: Simplify right side
    14,045.73x = 111,273,958.85
  5. Step 5: Solve for x
    x = 111,273,958.85/14,045.73
  6. Step 6: Final answer
    x = 7,922.26

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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.