Home / 19,679.25-27,156.57-10,726.56

Finding the Fourth Proportional to 19,679.25, 27,156.57 and 10,726.56

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Solution

The fourth proportional to 19,679.25, 27,156.57 and 10,726.56 is: 14,802.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,679.25 : 27,156.57 = 10,726.56 : x
  2. Step 2: Convert to fraction form
    19,679.25/27,156.57 = 10,726.56/x
  3. Step 3: Cross multiply
    19,679.25x = 27,156.57 × 10,726.56
  4. Step 4: Simplify right side
    19,679.25x = 291,296,577.50
  5. Step 5: Solve for x
    x = 291,296,577.50/19,679.25
  6. Step 6: Final answer
    x = 14,802.22

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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.