Home / 19,069.42-26,309.48-11,512.86

Finding the Fourth Proportional to 19,069.42, 26,309.48 and 11,512.86

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Solution

The fourth proportional to 19,069.42, 26,309.48 and 11,512.86 is: 15,883.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,069.42 : 26,309.48 = 11,512.86 : x
  2. Step 2: Convert to fraction form
    19,069.42/26,309.48 = 11,512.86/x
  3. Step 3: Cross multiply
    19,069.42x = 26,309.48 × 11,512.86
  4. Step 4: Simplify right side
    19,069.42x = 302,897,359.91
  5. Step 5: Solve for x
    x = 302,897,359.91/19,069.42
  6. Step 6: Final answer
    x = 15,883.93

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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.