Home / 25,310.04-34,928.04-13,979.22

Finding the Fourth Proportional to 25,310.04, 34,928.04 and 13,979.22

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Solution

The fourth proportional to 25,310.04, 34,928.04 and 13,979.22 is: 19,291.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,310.04 : 34,928.04 = 13,979.22 : x
  2. Step 2: Convert to fraction form
    25,310.04/34,928.04 = 13,979.22/x
  3. Step 3: Cross multiply
    25,310.04x = 34,928.04 × 13,979.22
  4. Step 4: Simplify right side
    25,310.04x = 488,266,755.33
  5. Step 5: Solve for x
    x = 488,266,755.33/25,310.04
  6. Step 6: Final answer
    x = 19,291.43

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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.