Home / 19,455.41-29,180.67-5,416.49

Finding the Fourth Proportional to 19,455.41, 29,180.67 and 5,416.49

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Solution

The fourth proportional to 19,455.41, 29,180.67 and 5,416.49 is: 8,124.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,455.41 : 29,180.67 = 5,416.49 : x
  2. Step 2: Convert to fraction form
    19,455.41/29,180.67 = 5,416.49/x
  3. Step 3: Cross multiply
    19,455.41x = 29,180.67 × 5,416.49
  4. Step 4: Simplify right side
    19,455.41x = 158,056,807.25
  5. Step 5: Solve for x
    x = 158,056,807.25/19,455.41
  6. Step 6: Final answer
    x = 8,124.05

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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.