Home / 19,506.88-26,922.51-12,811.93

Finding the Fourth Proportional to 19,506.88, 26,922.51 and 12,811.93

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Solution

The fourth proportional to 19,506.88, 26,922.51 and 12,811.93 is: 17,682.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,506.88 : 26,922.51 = 12,811.93 : x
  2. Step 2: Convert to fraction form
    19,506.88/26,922.51 = 12,811.93/x
  3. Step 3: Cross multiply
    19,506.88x = 26,922.51 × 12,811.93
  4. Step 4: Simplify right side
    19,506.88x = 344,929,313.54
  5. Step 5: Solve for x
    x = 344,929,313.54/19,506.88
  6. Step 6: Final answer
    x = 17,682.44

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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.