Home / 14,150.23-21,225.39-4,790.34

Finding the Fourth Proportional to 14,150.23, 21,225.39 and 4,790.34

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Solution

The fourth proportional to 14,150.23, 21,225.39 and 4,790.34 is: 7,185.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.23 : 21,225.39 = 4,790.34 : x
  2. Step 2: Convert to fraction form
    14,150.23/21,225.39 = 4,790.34/x
  3. Step 3: Cross multiply
    14,150.23x = 21,225.39 × 4,790.34
  4. Step 4: Simplify right side
    14,150.23x = 101,676,834.73
  5. Step 5: Solve for x
    x = 101,676,834.73/14,150.23
  6. Step 6: Final answer
    x = 7,185.53

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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.