Home / 19,085.57-26,338.10-11,633.57

Finding the Fourth Proportional to 19,085.57, 26,338.10 and 11,633.57

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Solution

The fourth proportional to 19,085.57, 26,338.10 and 11,633.57 is: 16,054.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,085.57 : 26,338.10 = 11,633.57 : x
  2. Step 2: Convert to fraction form
    19,085.57/26,338.10 = 11,633.57/x
  3. Step 3: Cross multiply
    19,085.57x = 26,338.10 × 11,633.57
  4. Step 4: Simplify right side
    19,085.57x = 306,406,071.85
  5. Step 5: Solve for x
    x = 306,406,071.85/19,085.57
  6. Step 6: Final answer
    x = 16,054.33

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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.