Home / 19,491.69-26,901.42-11,536.50

Finding the Fourth Proportional to 19,491.69, 26,901.42 and 11,536.50

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Solution

The fourth proportional to 19,491.69, 26,901.42 and 11,536.50 is: 15,922.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,491.69 : 26,901.42 = 11,536.50 : x
  2. Step 2: Convert to fraction form
    19,491.69/26,901.42 = 11,536.50/x
  3. Step 3: Cross multiply
    19,491.69x = 26,901.42 × 11,536.50
  4. Step 4: Simplify right side
    19,491.69x = 310,348,231.83
  5. Step 5: Solve for x
    x = 310,348,231.83/19,491.69
  6. Step 6: Final answer
    x = 15,922.08

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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.