Home / 25,479.89-35,161.59-14,149.10

Finding the Fourth Proportional to 25,479.89, 35,161.59 and 14,149.10

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Solution

The fourth proportional to 25,479.89, 35,161.59 and 14,149.10 is: 19,525.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,479.89 : 35,161.59 = 14,149.10 : x
  2. Step 2: Convert to fraction form
    25,479.89/35,161.59 = 14,149.10/x
  3. Step 3: Cross multiply
    25,479.89x = 35,161.59 × 14,149.10
  4. Step 4: Simplify right side
    25,479.89x = 497,504,853.07
  5. Step 5: Solve for x
    x = 497,504,853.07/25,479.89
  6. Step 6: Final answer
    x = 19,525.39

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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.