Home / 19,108.14-28,498.84-16,783.44

Finding the Fourth Proportional to 19,108.14, 28,498.84 and 16,783.44

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Solution

The fourth proportional to 19,108.14, 28,498.84 and 16,783.44 is: 25,031.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,108.14 : 28,498.84 = 16,783.44 : x
  2. Step 2: Convert to fraction form
    19,108.14/28,498.84 = 16,783.44/x
  3. Step 3: Cross multiply
    19,108.14x = 28,498.84 × 16,783.44
  4. Step 4: Simplify right side
    19,108.14x = 478,308,571.21
  5. Step 5: Solve for x
    x = 478,308,571.21/19,108.14
  6. Step 6: Final answer
    x = 25,031.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.