Home / 19,953.60-27,535.82-10,878.96

Finding the Fourth Proportional to 19,953.60, 27,535.82 and 10,878.96

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Solution

The fourth proportional to 19,953.60, 27,535.82 and 10,878.96 is: 15,012.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953.60 : 27,535.82 = 10,878.96 : x
  2. Step 2: Convert to fraction form
    19,953.60/27,535.82 = 10,878.96/x
  3. Step 3: Cross multiply
    19,953.60x = 27,535.82 × 10,878.96
  4. Step 4: Simplify right side
    19,953.60x = 299,561,084.35
  5. Step 5: Solve for x
    x = 299,561,084.35/19,953.60
  6. Step 6: Final answer
    x = 15,012.88

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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.