Home / 19,171.99-26,457.33-11,212.66

Finding the Fourth Proportional to 19,171.99, 26,457.33 and 11,212.66

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Solution

The fourth proportional to 19,171.99, 26,457.33 and 11,212.66 is: 15,473.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.99 : 26,457.33 = 11,212.66 : x
  2. Step 2: Convert to fraction form
    19,171.99/26,457.33 = 11,212.66/x
  3. Step 3: Cross multiply
    19,171.99x = 26,457.33 × 11,212.66
  4. Step 4: Simplify right side
    19,171.99x = 296,657,120.92
  5. Step 5: Solve for x
    x = 296,657,120.92/19,171.99
  6. Step 6: Final answer
    x = 15,473.46

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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.