Home / 13,932.09-19,225.77-7,963.41

Finding the Fourth Proportional to 13,932.09, 19,225.77 and 7,963.41

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Solution

The fourth proportional to 13,932.09, 19,225.77 and 7,963.41 is: 10,989.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.09 : 19,225.77 = 7,963.41 : x
  2. Step 2: Convert to fraction form
    13,932.09/19,225.77 = 7,963.41/x
  3. Step 3: Cross multiply
    13,932.09x = 19,225.77 × 7,963.41
  4. Step 4: Simplify right side
    13,932.09x = 153,102,689.08
  5. Step 5: Solve for x
    x = 153,102,689.08/13,932.09
  6. Step 6: Final answer
    x = 10,989.21

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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.