Home / 19,302.18-26,638.11-14,578.26

Finding the Fourth Proportional to 19,302.18, 26,638.11 and 14,578.26

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Solution

The fourth proportional to 19,302.18, 26,638.11 and 14,578.26 is: 20,118.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,302.18 : 26,638.11 = 14,578.26 : x
  2. Step 2: Convert to fraction form
    19,302.18/26,638.11 = 14,578.26/x
  3. Step 3: Cross multiply
    19,302.18x = 26,638.11 × 14,578.26
  4. Step 4: Simplify right side
    19,302.18x = 388,337,293.49
  5. Step 5: Solve for x
    x = 388,337,293.49/19,302.18
  6. Step 6: Final answer
    x = 20,118.83

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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.