Home / 19,772.68-27,274.44-13,058.32

Finding the Fourth Proportional to 19,772.68, 27,274.44 and 13,058.32

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Solution

The fourth proportional to 19,772.68, 27,274.44 and 13,058.32 is: 18,012.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.68 : 27,274.44 = 13,058.32 : x
  2. Step 2: Convert to fraction form
    19,772.68/27,274.44 = 13,058.32/x
  3. Step 3: Cross multiply
    19,772.68x = 27,274.44 × 13,058.32
  4. Step 4: Simplify right side
    19,772.68x = 356,158,365.34
  5. Step 5: Solve for x
    x = 356,158,365.34/19,772.68
  6. Step 6: Final answer
    x = 18,012.65

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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.