Home / 25,820.88-38,706.72-11,009.44

Finding the Fourth Proportional to 25,820.88, 38,706.72 and 11,009.44

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Solution

The fourth proportional to 25,820.88, 38,706.72 and 11,009.44 is: 16,503.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,820.88 : 38,706.72 = 11,009.44 : x
  2. Step 2: Convert to fraction form
    25,820.88/38,706.72 = 11,009.44/x
  3. Step 3: Cross multiply
    25,820.88x = 38,706.72 × 11,009.44
  4. Step 4: Simplify right side
    25,820.88x = 426,139,311.44
  5. Step 5: Solve for x
    x = 426,139,311.44/25,820.88
  6. Step 6: Final answer
    x = 16,503.67

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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.