Home / 19,726.04-27,215.52-13,427.48

Finding the Fourth Proportional to 19,726.04, 27,215.52 and 13,427.48

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Solution

The fourth proportional to 19,726.04, 27,215.52 and 13,427.48 is: 18,525.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,726.04 : 27,215.52 = 13,427.48 : x
  2. Step 2: Convert to fraction form
    19,726.04/27,215.52 = 13,427.48/x
  3. Step 3: Cross multiply
    19,726.04x = 27,215.52 × 13,427.48
  4. Step 4: Simplify right side
    19,726.04x = 365,435,850.49
  5. Step 5: Solve for x
    x = 365,435,850.49/19,726.04
  6. Step 6: Final answer
    x = 18,525.56

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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.