Home / 19,578.30-27,018.06-10,625.94

Finding the Fourth Proportional to 19,578.30, 27,018.06 and 10,625.94

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Solution

The fourth proportional to 19,578.30, 27,018.06 and 10,625.94 is: 14,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,578.30 : 27,018.06 = 10,625.94 : x
  2. Step 2: Convert to fraction form
    19,578.30/27,018.06 = 10,625.94/x
  3. Step 3: Cross multiply
    19,578.30x = 27,018.06 × 10,625.94
  4. Step 4: Simplify right side
    19,578.30x = 287,092,284.48
  5. Step 5: Solve for x
    x = 287,092,284.48/19,578.30
  6. Step 6: Final answer
    x = 14,663.80

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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.