Home / 25,375.88-35,018.43-14,045.40

Finding the Fourth Proportional to 25,375.88, 35,018.43 and 14,045.40

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Solution

The fourth proportional to 25,375.88, 35,018.43 and 14,045.40 is: 19,382.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,375.88 : 35,018.43 = 14,045.40 : x
  2. Step 2: Convert to fraction form
    25,375.88/35,018.43 = 14,045.40/x
  3. Step 3: Cross multiply
    25,375.88x = 35,018.43 × 14,045.40
  4. Step 4: Simplify right side
    25,375.88x = 491,847,804.05
  5. Step 5: Solve for x
    x = 491,847,804.05/25,375.88
  6. Step 6: Final answer
    x = 19,382.49

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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.