Home / 19,577.25-27,039.03-12,892.76

Finding the Fourth Proportional to 19,577.25, 27,039.03 and 12,892.76

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Solution

The fourth proportional to 19,577.25, 27,039.03 and 12,892.76 is: 17,806.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,577.25 : 27,039.03 = 12,892.76 : x
  2. Step 2: Convert to fraction form
    19,577.25/27,039.03 = 12,892.76/x
  3. Step 3: Cross multiply
    19,577.25x = 27,039.03 × 12,892.76
  4. Step 4: Simplify right side
    19,577.25x = 348,607,589.23
  5. Step 5: Solve for x
    x = 348,607,589.23/19,577.25
  6. Step 6: Final answer
    x = 17,806.77

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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.