Home / 19,838.58-27,377.51-10,885.92

Finding the Fourth Proportional to 19,838.58, 27,377.51 and 10,885.92

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Solution

The fourth proportional to 19,838.58, 27,377.51 and 10,885.92 is: 15,022.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,838.58 : 27,377.51 = 10,885.92 : x
  2. Step 2: Convert to fraction form
    19,838.58/27,377.51 = 10,885.92/x
  3. Step 3: Cross multiply
    19,838.58x = 27,377.51 × 10,885.92
  4. Step 4: Simplify right side
    19,838.58x = 298,029,383.66
  5. Step 5: Solve for x
    x = 298,029,383.66/19,838.58
  6. Step 6: Final answer
    x = 15,022.72

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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.