Home / 19,493.06-26,898.90-11,109.56

Finding the Fourth Proportional to 19,493.06, 26,898.90 and 11,109.56

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Solution

The fourth proportional to 19,493.06, 26,898.90 and 11,109.56 is: 15,330.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,493.06 : 26,898.90 = 11,109.56 : x
  2. Step 2: Convert to fraction form
    19,493.06/26,898.90 = 11,109.56/x
  3. Step 3: Cross multiply
    19,493.06x = 26,898.90 × 11,109.56
  4. Step 4: Simplify right side
    19,493.06x = 298,834,943.48
  5. Step 5: Solve for x
    x = 298,834,943.48/19,493.06
  6. Step 6: Final answer
    x = 15,330.32

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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.