Home / 25,479.35-35,160.32-14,149.57

Finding the Fourth Proportional to 25,479.35, 35,160.32 and 14,149.57

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Solution

The fourth proportional to 25,479.35, 35,160.32 and 14,149.57 is: 19,525.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,479.35 : 35,160.32 = 14,149.57 : x
  2. Step 2: Convert to fraction form
    25,479.35/35,160.32 = 14,149.57/x
  3. Step 3: Cross multiply
    25,479.35x = 35,160.32 × 14,149.57
  4. Step 4: Simplify right side
    25,479.35x = 497,503,356.54
  5. Step 5: Solve for x
    x = 497,503,356.54/25,479.35
  6. Step 6: Final answer
    x = 19,525.75

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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.