Home / 18,477.55-25,495.24-10,517.68

Finding the Fourth Proportional to 18,477.55, 25,495.24 and 10,517.68

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Solution

The fourth proportional to 18,477.55, 25,495.24 and 10,517.68 is: 14,512.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477.55 : 25,495.24 = 10,517.68 : x
  2. Step 2: Convert to fraction form
    18,477.55/25,495.24 = 10,517.68/x
  3. Step 3: Cross multiply
    18,477.55x = 25,495.24 × 10,517.68
  4. Step 4: Simplify right side
    18,477.55x = 268,150,595.78
  5. Step 5: Solve for x
    x = 268,150,595.78/18,477.55
  6. Step 6: Final answer
    x = 14,512.24

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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.