Home / 19,261.38-26,566.44-12,180.96

Finding the Fourth Proportional to 19,261.38, 26,566.44 and 12,180.96

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Solution

The fourth proportional to 19,261.38, 26,566.44 and 12,180.96 is: 16,800.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.38 : 26,566.44 = 12,180.96 : x
  2. Step 2: Convert to fraction form
    19,261.38/26,566.44 = 12,180.96/x
  3. Step 3: Cross multiply
    19,261.38x = 26,566.44 × 12,180.96
  4. Step 4: Simplify right side
    19,261.38x = 323,604,742.98
  5. Step 5: Solve for x
    x = 323,604,742.98/19,261.38
  6. Step 6: Final answer
    x = 16,800.70

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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.