Home / 25,083.12-34,614.60-13,905.12

Finding the Fourth Proportional to 25,083.12, 34,614.60 and 13,905.12

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Solution

The fourth proportional to 25,083.12, 34,614.60 and 13,905.12 is: 19,189.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,083.12 : 34,614.60 = 13,905.12 : x
  2. Step 2: Convert to fraction form
    25,083.12/34,614.60 = 13,905.12/x
  3. Step 3: Cross multiply
    25,083.12x = 34,614.60 × 13,905.12
  4. Step 4: Simplify right side
    25,083.12x = 481,320,166.75
  5. Step 5: Solve for x
    x = 481,320,166.75/25,083.12
  6. Step 6: Final answer
    x = 19,189.01

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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.