Home / 19,578.36-27,017.86-10,625.88

Finding the Fourth Proportional to 19,578.36, 27,017.86 and 10,625.88

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Solution

The fourth proportional to 19,578.36, 27,017.86 and 10,625.88 is: 14,663.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,578.36 : 27,017.86 = 10,625.88 : x
  2. Step 2: Convert to fraction form
    19,578.36/27,017.86 = 10,625.88/x
  3. Step 3: Cross multiply
    19,578.36x = 27,017.86 × 10,625.88
  4. Step 4: Simplify right side
    19,578.36x = 287,088,538.22
  5. Step 5: Solve for x
    x = 287,088,538.22/19,578.36
  6. Step 6: Final answer
    x = 14,663.56

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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.