Home / 18,491.58-25,519.86-10,533.42

Finding the Fourth Proportional to 18,491.58, 25,519.86 and 10,533.42

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Solution

The fourth proportional to 18,491.58, 25,519.86 and 10,533.42 is: 14,536.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,491.58 : 25,519.86 = 10,533.42 : x
  2. Step 2: Convert to fraction form
    18,491.58/25,519.86 = 10,533.42/x
  3. Step 3: Cross multiply
    18,491.58x = 25,519.86 × 10,533.42
  4. Step 4: Simplify right side
    18,491.58x = 268,811,403.72
  5. Step 5: Solve for x
    x = 268,811,403.72/18,491.58
  6. Step 6: Final answer
    x = 14,536.96

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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.