Home / 19,155.24-26,433.75-11,087.79

Finding the Fourth Proportional to 19,155.24, 26,433.75 and 11,087.79

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Solution

The fourth proportional to 19,155.24, 26,433.75 and 11,087.79 is: 15,300.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155.24 : 26,433.75 = 11,087.79 : x
  2. Step 2: Convert to fraction form
    19,155.24/26,433.75 = 11,087.79/x
  3. Step 3: Cross multiply
    19,155.24x = 26,433.75 × 11,087.79
  4. Step 4: Simplify right side
    19,155.24x = 293,091,868.91
  5. Step 5: Solve for x
    x = 293,091,868.91/19,155.24
  6. Step 6: Final answer
    x = 15,300.87

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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.