Home / 19,306.23-26,645.78-13,251.49

Finding the Fourth Proportional to 19,306.23, 26,645.78 and 13,251.49

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Solution

The fourth proportional to 19,306.23, 26,645.78 and 13,251.49 is: 18,289.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,306.23 : 26,645.78 = 13,251.49 : x
  2. Step 2: Convert to fraction form
    19,306.23/26,645.78 = 13,251.49/x
  3. Step 3: Cross multiply
    19,306.23x = 26,645.78 × 13,251.49
  4. Step 4: Simplify right side
    19,306.23x = 353,096,353.83
  5. Step 5: Solve for x
    x = 353,096,353.83/19,306.23
  6. Step 6: Final answer
    x = 18,289.25

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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.