Home / 19,023.91-26,262.23-12,661.11

Finding the Fourth Proportional to 19,023.91, 26,262.23 and 12,661.11

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Solution

The fourth proportional to 19,023.91, 26,262.23 and 12,661.11 is: 17,478.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,023.91 : 26,262.23 = 12,661.11 : x
  2. Step 2: Convert to fraction form
    19,023.91/26,262.23 = 12,661.11/x
  3. Step 3: Cross multiply
    19,023.91x = 26,262.23 × 12,661.11
  4. Step 4: Simplify right side
    19,023.91x = 332,508,919.57
  5. Step 5: Solve for x
    x = 332,508,919.57/19,023.91
  6. Step 6: Final answer
    x = 17,478.48

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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.