Home / 19,828.36-27,364.89-10,877.61

Finding the Fourth Proportional to 19,828.36, 27,364.89 and 10,877.61

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Solution

The fourth proportional to 19,828.36, 27,364.89 and 10,877.61 is: 15,012.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,828.36 : 27,364.89 = 10,877.61 : x
  2. Step 2: Convert to fraction form
    19,828.36/27,364.89 = 10,877.61/x
  3. Step 3: Cross multiply
    19,828.36x = 27,364.89 × 10,877.61
  4. Step 4: Simplify right side
    19,828.36x = 297,664,498.49
  5. Step 5: Solve for x
    x = 297,664,498.49/19,828.36
  6. Step 6: Final answer
    x = 15,012.06

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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.