Home / 18,216.58-25,140.42-10,260.37

Finding the Fourth Proportional to 18,216.58, 25,140.42 and 10,260.37

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Solution

The fourth proportional to 18,216.58, 25,140.42 and 10,260.37 is: 14,160.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216.58 : 25,140.42 = 10,260.37 : x
  2. Step 2: Convert to fraction form
    18,216.58/25,140.42 = 10,260.37/x
  3. Step 3: Cross multiply
    18,216.58x = 25,140.42 × 10,260.37
  4. Step 4: Simplify right side
    18,216.58x = 257,950,011.16
  5. Step 5: Solve for x
    x = 257,950,011.16/18,216.58
  6. Step 6: Final answer
    x = 14,160.18

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Half scale
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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.