Home / 25,380.68-38,071.28-11,341.44

Finding the Fourth Proportional to 25,380.68, 38,071.28 and 11,341.44

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Solution

The fourth proportional to 25,380.68, 38,071.28 and 11,341.44 is: 17,012.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,380.68 : 38,071.28 = 11,341.44 : x
  2. Step 2: Convert to fraction form
    25,380.68/38,071.28 = 11,341.44/x
  3. Step 3: Cross multiply
    25,380.68x = 38,071.28 × 11,341.44
  4. Step 4: Simplify right side
    25,380.68x = 431,783,137.84
  5. Step 5: Solve for x
    x = 431,783,137.84/25,380.68
  6. Step 6: Final answer
    x = 17,012.28

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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.