Home / 25,718.21-35,491.61-14,540.21

Finding the Fourth Proportional to 25,718.21, 35,491.61 and 14,540.21

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Solution

The fourth proportional to 25,718.21, 35,491.61 and 14,540.21 is: 20,065.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,718.21 : 35,491.61 = 14,540.21 : x
  2. Step 2: Convert to fraction form
    25,718.21/35,491.61 = 14,540.21/x
  3. Step 3: Cross multiply
    25,718.21x = 35,491.61 × 14,540.21
  4. Step 4: Simplify right side
    25,718.21x = 516,055,389.94
  5. Step 5: Solve for x
    x = 516,055,389.94/25,718.21
  6. Step 6: Final answer
    x = 20,065.76

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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.