Home / 19,904.59-27,452.78-12,346.68

Finding the Fourth Proportional to 19,904.59, 27,452.78 and 12,346.68

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Solution

The fourth proportional to 19,904.59, 27,452.78 and 12,346.68 is: 17,028.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,904.59 : 27,452.78 = 12,346.68 : x
  2. Step 2: Convert to fraction form
    19,904.59/27,452.78 = 12,346.68/x
  3. Step 3: Cross multiply
    19,904.59x = 27,452.78 × 12,346.68
  4. Step 4: Simplify right side
    19,904.59x = 338,950,628.04
  5. Step 5: Solve for x
    x = 338,950,628.04/19,904.59
  6. Step 6: Final answer
    x = 17,028.77

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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.