Home / 18,477.68-25,498.57-10,518.37

Finding the Fourth Proportional to 18,477.68, 25,498.57 and 10,518.37

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Solution

The fourth proportional to 18,477.68, 25,498.57 and 10,518.37 is: 14,514.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477.68 : 25,498.57 = 10,518.37 : x
  2. Step 2: Convert to fraction form
    18,477.68/25,498.57 = 10,518.37/x
  3. Step 3: Cross multiply
    18,477.68x = 25,498.57 × 10,518.37
  4. Step 4: Simplify right side
    18,477.68x = 268,203,239.94
  5. Step 5: Solve for x
    x = 268,203,239.94/18,477.68
  6. Step 6: Final answer
    x = 14,514.98

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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.