Home / 18,332.92-27,533.40-12,790.09

Finding the Fourth Proportional to 18,332.92, 27,533.40 and 12,790.09

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Solution

The fourth proportional to 18,332.92, 27,533.40 and 12,790.09 is: 19,208.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,332.92 : 27,533.40 = 12,790.09 : x
  2. Step 2: Convert to fraction form
    18,332.92/27,533.40 = 12,790.09/x
  3. Step 3: Cross multiply
    18,332.92x = 27,533.40 × 12,790.09
  4. Step 4: Simplify right side
    18,332.92x = 352,154,664.01
  5. Step 5: Solve for x
    x = 352,154,664.01/18,332.92
  6. Step 6: Final answer
    x = 19,208.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.