Home / 14,559.40-21,806.70-7,625.80

Finding the Fourth Proportional to 14,559.40, 21,806.70 and 7,625.80

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Solution

The fourth proportional to 14,559.40, 21,806.70 and 7,625.80 is: 11,421.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,559.40 : 21,806.70 = 7,625.80 : x
  2. Step 2: Convert to fraction form
    14,559.40/21,806.70 = 7,625.80/x
  3. Step 3: Cross multiply
    14,559.40x = 21,806.70 × 7,625.80
  4. Step 4: Simplify right side
    14,559.40x = 166,293,532.86
  5. Step 5: Solve for x
    x = 166,293,532.86/14,559.40
  6. Step 6: Final answer
    x = 11,421.73

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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.