Home / 14,222.05-19,628.17-8,559.74

Finding the Fourth Proportional to 14,222.05, 19,628.17 and 8,559.74

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Solution

The fourth proportional to 14,222.05, 19,628.17 and 8,559.74 is: 11,813.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.05 : 19,628.17 = 8,559.74 : x
  2. Step 2: Convert to fraction form
    14,222.05/19,628.17 = 8,559.74/x
  3. Step 3: Cross multiply
    14,222.05x = 19,628.17 × 8,559.74
  4. Step 4: Simplify right side
    14,222.05x = 168,012,107.70
  5. Step 5: Solve for x
    x = 168,012,107.70/14,222.05
  6. Step 6: Final answer
    x = 11,813.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.