Home / 16,138.32-22,264.65-11,899.41

Finding the Fourth Proportional to 16,138.32, 22,264.65 and 11,899.41

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Solution

The fourth proportional to 16,138.32, 22,264.65 and 11,899.41 is: 16,416.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,138.32 : 22,264.65 = 11,899.41 : x
  2. Step 2: Convert to fraction form
    16,138.32/22,264.65 = 11,899.41/x
  3. Step 3: Cross multiply
    16,138.32x = 22,264.65 × 11,899.41
  4. Step 4: Simplify right side
    16,138.32x = 264,936,269.75
  5. Step 5: Solve for x
    x = 264,936,269.75/16,138.32
  6. Step 6: Final answer
    x = 16,416.59

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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.