Home / 25,164.08-34,725.48-13,986.80

Finding the Fourth Proportional to 25,164.08, 34,725.48 and 13,986.80

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Solution

The fourth proportional to 25,164.08, 34,725.48 and 13,986.80 is: 19,301.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,164.08 : 34,725.48 = 13,986.80 : x
  2. Step 2: Convert to fraction form
    25,164.08/34,725.48 = 13,986.80/x
  3. Step 3: Cross multiply
    25,164.08x = 34,725.48 × 13,986.80
  4. Step 4: Simplify right side
    25,164.08x = 485,698,343.66
  5. Step 5: Solve for x
    x = 485,698,343.66/25,164.08
  6. Step 6: Final answer
    x = 19,301.26

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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.