Home / 19,391.04-29,072.16-13,841.04

Finding the Fourth Proportional to 19,391.04, 29,072.16 and 13,841.04

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Solution

The fourth proportional to 19,391.04, 29,072.16 and 13,841.04 is: 20,751.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.04 : 29,072.16 = 13,841.04 : x
  2. Step 2: Convert to fraction form
    19,391.04/29,072.16 = 13,841.04/x
  3. Step 3: Cross multiply
    19,391.04x = 29,072.16 × 13,841.04
  4. Step 4: Simplify right side
    19,391.04x = 402,388,929.45
  5. Step 5: Solve for x
    x = 402,388,929.45/19,391.04
  6. Step 6: Final answer
    x = 20,751.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.