Home / 19,813.23-27,347.11-13,450.41

Finding the Fourth Proportional to 19,813.23, 27,347.11 and 13,450.41

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Solution

The fourth proportional to 19,813.23, 27,347.11 and 13,450.41 is: 18,564.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813.23 : 27,347.11 = 13,450.41 : x
  2. Step 2: Convert to fraction form
    19,813.23/27,347.11 = 13,450.41/x
  3. Step 3: Cross multiply
    19,813.23x = 27,347.11 × 13,450.41
  4. Step 4: Simplify right side
    19,813.23x = 367,829,808.19
  5. Step 5: Solve for x
    x = 367,829,808.19/19,813.23
  6. Step 6: Final answer
    x = 18,564.86

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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.