Home / 19,509.63-26,921.26-11,012.22

Finding the Fourth Proportional to 19,509.63, 26,921.26 and 11,012.22

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Solution

The fourth proportional to 19,509.63, 26,921.26 and 11,012.22 is: 15,195.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509.63 : 26,921.26 = 11,012.22 : x
  2. Step 2: Convert to fraction form
    19,509.63/26,921.26 = 11,012.22/x
  3. Step 3: Cross multiply
    19,509.63x = 26,921.26 × 11,012.22
  4. Step 4: Simplify right side
    19,509.63x = 296,462,851.56
  5. Step 5: Solve for x
    x = 296,462,851.56/19,509.63
  6. Step 6: Final answer
    x = 15,195.72

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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.