Home / 19,393.83-26,766-11,838.58

Finding the Fourth Proportional to 19,393.83, 26,766 and 11,838.58

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Solution

The fourth proportional to 19,393.83, 26,766 and 11,838.58 is: 16,338.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,393.83 : 26,766 = 11,838.58 : x
  2. Step 2: Convert to fraction form
    19,393.83/26,766 = 11,838.58/x
  3. Step 3: Cross multiply
    19,393.83x = 26,766 × 11,838.58
  4. Step 4: Simplify right side
    19,393.83x = 316,871,432.28
  5. Step 5: Solve for x
    x = 316,871,432.28/19,393.83
  6. Step 6: Final answer
    x = 16,338.78

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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.