Home / 19,498.77-26,919.14-12,338.19

Finding the Fourth Proportional to 19,498.77, 26,919.14 and 12,338.19

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Solution

The fourth proportional to 19,498.77, 26,919.14 and 12,338.19 is: 17,033.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,498.77 : 26,919.14 = 12,338.19 : x
  2. Step 2: Convert to fraction form
    19,498.77/26,919.14 = 12,338.19/x
  3. Step 3: Cross multiply
    19,498.77x = 26,919.14 × 12,338.19
  4. Step 4: Simplify right side
    19,498.77x = 332,133,402.27
  5. Step 5: Solve for x
    x = 332,133,402.27/19,498.77
  6. Step 6: Final answer
    x = 17,033.56

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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.