Home / 19,161.78-26,435.91-14,137.98

Finding the Fourth Proportional to 19,161.78, 26,435.91 and 14,137.98

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Solution

The fourth proportional to 19,161.78, 26,435.91 and 14,137.98 is: 19,504.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161.78 : 26,435.91 = 14,137.98 : x
  2. Step 2: Convert to fraction form
    19,161.78/26,435.91 = 14,137.98/x
  3. Step 3: Cross multiply
    19,161.78x = 26,435.91 × 14,137.98
  4. Step 4: Simplify right side
    19,161.78x = 373,750,366.86
  5. Step 5: Solve for x
    x = 373,750,366.86/19,161.78
  6. Step 6: Final answer
    x = 19,504.99

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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.