Home / 16,188.08-22,319.16-13,200.80

Finding the Fourth Proportional to 16,188.08, 22,319.16 and 13,200.80

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Solution

The fourth proportional to 16,188.08, 22,319.16 and 13,200.80 is: 18,200.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,188.08 : 22,319.16 = 13,200.80 : x
  2. Step 2: Convert to fraction form
    16,188.08/22,319.16 = 13,200.80/x
  3. Step 3: Cross multiply
    16,188.08x = 22,319.16 × 13,200.80
  4. Step 4: Simplify right side
    16,188.08x = 294,630,767.33
  5. Step 5: Solve for x
    x = 294,630,767.33/16,188.08
  6. Step 6: Final answer
    x = 18,200.48

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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.