Home / 25,093.40-34,628.38-13,915.40

Finding the Fourth Proportional to 25,093.40, 34,628.38 and 13,915.40

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Solution

The fourth proportional to 25,093.40, 34,628.38 and 13,915.40 is: 19,202.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,093.40 : 34,628.38 = 13,915.40 : x
  2. Step 2: Convert to fraction form
    25,093.40/34,628.38 = 13,915.40/x
  3. Step 3: Cross multiply
    25,093.40x = 34,628.38 × 13,915.40
  4. Step 4: Simplify right side
    25,093.40x = 481,867,551.12
  5. Step 5: Solve for x
    x = 481,867,551.12/25,093.40
  6. Step 6: Final answer
    x = 19,202.96

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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.