Home / 25,970.57-38,919.40-11,168.36

Finding the Fourth Proportional to 25,970.57, 38,919.40 and 11,168.36

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Solution

The fourth proportional to 25,970.57, 38,919.40 and 11,168.36 is: 16,736.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,970.57 : 38,919.40 = 11,168.36 : x
  2. Step 2: Convert to fraction form
    25,970.57/38,919.40 = 11,168.36/x
  3. Step 3: Cross multiply
    25,970.57x = 38,919.40 × 11,168.36
  4. Step 4: Simplify right side
    25,970.57x = 434,665,870.18
  5. Step 5: Solve for x
    x = 434,665,870.18/25,970.57
  6. Step 6: Final answer
    x = 16,736.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.