Home / 19,498.12-26,912.82-11,543.08

Finding the Fourth Proportional to 19,498.12, 26,912.82 and 11,543.08

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Solution

The fourth proportional to 19,498.12, 26,912.82 and 11,543.08 is: 15,932.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,498.12 : 26,912.82 = 11,543.08 : x
  2. Step 2: Convert to fraction form
    19,498.12/26,912.82 = 11,543.08/x
  3. Step 3: Cross multiply
    19,498.12x = 26,912.82 × 11,543.08
  4. Step 4: Simplify right side
    19,498.12x = 310,656,834.29
  5. Step 5: Solve for x
    x = 310,656,834.29/19,498.12
  6. Step 6: Final answer
    x = 15,932.66

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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.