Home / 14,045.10-21,059.44-5,280.69

Finding the Fourth Proportional to 14,045.10, 21,059.44 and 5,280.69

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Solution

The fourth proportional to 14,045.10, 21,059.44 and 5,280.69 is: 7,917.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.10 : 21,059.44 = 5,280.69 : x
  2. Step 2: Convert to fraction form
    14,045.10/21,059.44 = 5,280.69/x
  3. Step 3: Cross multiply
    14,045.10x = 21,059.44 × 5,280.69
  4. Step 4: Simplify right side
    14,045.10x = 111,208,469.69
  5. Step 5: Solve for x
    x = 111,208,469.69/14,045.10
  6. Step 6: Final answer
    x = 7,917.96

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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.