Home / 13,111.27-19,650.48-10,326.94

Finding the Fourth Proportional to 13,111.27, 19,650.48 and 10,326.94

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Solution

The fourth proportional to 13,111.27, 19,650.48 and 10,326.94 is: 15,477.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,111.27 : 19,650.48 = 10,326.94 : x
  2. Step 2: Convert to fraction form
    13,111.27/19,650.48 = 10,326.94/x
  3. Step 3: Cross multiply
    13,111.27x = 19,650.48 × 10,326.94
  4. Step 4: Simplify right side
    13,111.27x = 202,929,327.93
  5. Step 5: Solve for x
    x = 202,929,327.93/13,111.27
  6. Step 6: Final answer
    x = 15,477.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.