Home / 25,378.43-35,021.13-14,047.25

Finding the Fourth Proportional to 25,378.43, 35,021.13 and 14,047.25

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Solution

The fourth proportional to 25,378.43, 35,021.13 and 14,047.25 is: 19,384.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,378.43 : 35,021.13 = 14,047.25 : x
  2. Step 2: Convert to fraction form
    25,378.43/35,021.13 = 14,047.25/x
  3. Step 3: Cross multiply
    25,378.43x = 35,021.13 × 14,047.25
  4. Step 4: Simplify right side
    25,378.43x = 491,950,568.39
  5. Step 5: Solve for x
    x = 491,950,568.39/25,378.43
  6. Step 6: Final answer
    x = 19,384.59

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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.