Home / 19,391.49-26,770.47-13,051.41

Finding the Fourth Proportional to 19,391.49, 26,770.47 and 13,051.41

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Solution

The fourth proportional to 19,391.49, 26,770.47 and 13,051.41 is: 18,017.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.49 : 26,770.47 = 13,051.41 : x
  2. Step 2: Convert to fraction form
    19,391.49/26,770.47 = 13,051.41/x
  3. Step 3: Cross multiply
    19,391.49x = 26,770.47 × 13,051.41
  4. Step 4: Simplify right side
    19,391.49x = 349,392,230.53
  5. Step 5: Solve for x
    x = 349,392,230.53/19,391.49
  6. Step 6: Final answer
    x = 18,017.81

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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.