Home / 14,083.73-19,434.70-7,709.05

Finding the Fourth Proportional to 14,083.73, 19,434.70 and 7,709.05

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Solution

The fourth proportional to 14,083.73, 19,434.70 and 7,709.05 is: 10,638.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083.73 : 19,434.70 = 7,709.05 : x
  2. Step 2: Convert to fraction form
    14,083.73/19,434.70 = 7,709.05/x
  3. Step 3: Cross multiply
    14,083.73x = 19,434.70 × 7,709.05
  4. Step 4: Simplify right side
    14,083.73x = 149,823,074.04
  5. Step 5: Solve for x
    x = 149,823,074.04/14,083.73
  6. Step 6: Final answer
    x = 10,638.03

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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.