Home / 19,578.33-27,018.20-10,625.85

Finding the Fourth Proportional to 19,578.33, 27,018.20 and 10,625.85

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Solution

The fourth proportional to 19,578.33, 27,018.20 and 10,625.85 is: 14,663.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,578.33 : 27,018.20 = 10,625.85 : x
  2. Step 2: Convert to fraction form
    19,578.33/27,018.20 = 10,625.85/x
  3. Step 3: Cross multiply
    19,578.33x = 27,018.20 × 10,625.85
  4. Step 4: Simplify right side
    19,578.33x = 287,091,178.34
  5. Step 5: Solve for x
    x = 287,091,178.34/19,578.33
  6. Step 6: Final answer
    x = 14,663.72

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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.