Home / 14,143.56-19,518.73-7,855.94

Finding the Fourth Proportional to 14,143.56, 19,518.73 and 7,855.94

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Solution

The fourth proportional to 14,143.56, 19,518.73 and 7,855.94 is: 10,841.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,143.56 : 19,518.73 = 7,855.94 : x
  2. Step 2: Convert to fraction form
    14,143.56/19,518.73 = 7,855.94/x
  3. Step 3: Cross multiply
    14,143.56x = 19,518.73 × 7,855.94
  4. Step 4: Simplify right side
    14,143.56x = 153,337,883.68
  5. Step 5: Solve for x
    x = 153,337,883.68/14,143.56
  6. Step 6: Final answer
    x = 10,841.53

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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.