Home / 19,509.24-26,920.80-11,010.60

Finding the Fourth Proportional to 19,509.24, 26,920.80 and 11,010.60

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Solution

The fourth proportional to 19,509.24, 26,920.80 and 11,010.60 is: 15,193.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509.24 : 26,920.80 = 11,010.60 : x
  2. Step 2: Convert to fraction form
    19,509.24/26,920.80 = 11,010.60/x
  3. Step 3: Cross multiply
    19,509.24x = 26,920.80 × 11,010.60
  4. Step 4: Simplify right side
    19,509.24x = 296,414,160.48
  5. Step 5: Solve for x
    x = 296,414,160.48/19,509.24
  6. Step 6: Final answer
    x = 15,193.53

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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.