Home / 14,121.25-19,487.73-7,834.03

Finding the Fourth Proportional to 14,121.25, 19,487.73 and 7,834.03

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Solution

The fourth proportional to 14,121.25, 19,487.73 and 7,834.03 is: 10,811.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.25 : 19,487.73 = 7,834.03 : x
  2. Step 2: Convert to fraction form
    14,121.25/19,487.73 = 7,834.03/x
  3. Step 3: Cross multiply
    14,121.25x = 19,487.73 × 7,834.03
  4. Step 4: Simplify right side
    14,121.25x = 152,667,461.45
  5. Step 5: Solve for x
    x = 152,667,461.45/14,121.25
  6. Step 6: Final answer
    x = 10,811.19

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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.