Home / 13,222.58-19,834.34-4,457.57

Finding the Fourth Proportional to 13,222.58, 19,834.34 and 4,457.57

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Solution

The fourth proportional to 13,222.58, 19,834.34 and 4,457.57 is: 6,686.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,222.58 : 19,834.34 = 4,457.57 : x
  2. Step 2: Convert to fraction form
    13,222.58/19,834.34 = 4,457.57/x
  3. Step 3: Cross multiply
    13,222.58x = 19,834.34 × 4,457.57
  4. Step 4: Simplify right side
    13,222.58x = 88,412,909.37
  5. Step 5: Solve for x
    x = 88,412,909.37/13,222.58
  6. Step 6: Final answer
    x = 6,686.51

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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.