Home / 14,104.69-21,166.75-4,870.69

Finding the Fourth Proportional to 14,104.69, 21,166.75 and 4,870.69

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Solution

The fourth proportional to 14,104.69, 21,166.75 and 4,870.69 is: 7,309.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.69 : 21,166.75 = 4,870.69 : x
  2. Step 2: Convert to fraction form
    14,104.69/21,166.75 = 4,870.69/x
  3. Step 3: Cross multiply
    14,104.69x = 21,166.75 × 4,870.69
  4. Step 4: Simplify right side
    14,104.69x = 103,096,630.73
  5. Step 5: Solve for x
    x = 103,096,630.73/14,104.69
  6. Step 6: Final answer
    x = 7,309.39

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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.