Home / 19,239.44-26,543.10-11,682.90

Finding the Fourth Proportional to 19,239.44, 26,543.10 and 11,682.90

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Solution

The fourth proportional to 19,239.44, 26,543.10 and 11,682.90 is: 16,117.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.44 : 26,543.10 = 11,682.90 : x
  2. Step 2: Convert to fraction form
    19,239.44/26,543.10 = 11,682.90/x
  3. Step 3: Cross multiply
    19,239.44x = 26,543.10 × 11,682.90
  4. Step 4: Simplify right side
    19,239.44x = 310,100,382.99
  5. Step 5: Solve for x
    x = 310,100,382.99/19,239.44
  6. Step 6: Final answer
    x = 16,117.96

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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.