Home / 19,385.32-26,754.69-11,836.05

Finding the Fourth Proportional to 19,385.32, 26,754.69 and 11,836.05

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Solution

The fourth proportional to 19,385.32, 26,754.69 and 11,836.05 is: 16,335.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,385.32 : 26,754.69 = 11,836.05 : x
  2. Step 2: Convert to fraction form
    19,385.32/26,754.69 = 11,836.05/x
  3. Step 3: Cross multiply
    19,385.32x = 26,754.69 × 11,836.05
  4. Step 4: Simplify right side
    19,385.32x = 316,669,848.57
  5. Step 5: Solve for x
    x = 316,669,848.57/19,385.32
  6. Step 6: Final answer
    x = 16,335.55

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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.