Home / 19,187.40-28,845.90-16,336.20

Finding the Fourth Proportional to 19,187.40, 28,845.90 and 16,336.20

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Solution

The fourth proportional to 19,187.40, 28,845.90 and 16,336.20 is: 24,559.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187.40 : 28,845.90 = 16,336.20 : x
  2. Step 2: Convert to fraction form
    19,187.40/28,845.90 = 16,336.20/x
  3. Step 3: Cross multiply
    19,187.40x = 28,845.90 × 16,336.20
  4. Step 4: Simplify right side
    19,187.40x = 471,232,391.58
  5. Step 5: Solve for x
    x = 471,232,391.58/19,187.40
  6. Step 6: Final answer
    x = 24,559.47

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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.