Home / 25,491.36-35,183.28-14,736.72

Finding the Fourth Proportional to 25,491.36, 35,183.28 and 14,736.72

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Solution

The fourth proportional to 25,491.36, 35,183.28 and 14,736.72 is: 20,339.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,491.36 : 35,183.28 = 14,736.72 : x
  2. Step 2: Convert to fraction form
    25,491.36/35,183.28 = 14,736.72/x
  3. Step 3: Cross multiply
    25,491.36x = 35,183.28 × 14,736.72
  4. Step 4: Simplify right side
    25,491.36x = 518,486,146.04
  5. Step 5: Solve for x
    x = 518,486,146.04/25,491.36
  6. Step 6: Final answer
    x = 20,339.68

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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.