Home / 25,310.22-34,928.36-13,979.99

Finding the Fourth Proportional to 25,310.22, 34,928.36 and 13,979.99

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Solution

The fourth proportional to 25,310.22, 34,928.36 and 13,979.99 is: 19,292.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,310.22 : 34,928.36 = 13,979.99 : x
  2. Step 2: Convert to fraction form
    25,310.22/34,928.36 = 13,979.99/x
  3. Step 3: Cross multiply
    25,310.22x = 34,928.36 × 13,979.99
  4. Step 4: Simplify right side
    25,310.22x = 488,298,272.00
  5. Step 5: Solve for x
    x = 488,298,272.00/25,310.22
  6. Step 6: Final answer
    x = 19,292.53

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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.