Home / 29,726.46-41,014.35-18,390.51

Finding the Fourth Proportional to 29,726.46, 41,014.35 and 18,390.51

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Solution

The fourth proportional to 29,726.46, 41,014.35 and 18,390.51 is: 25,373.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,726.46 : 41,014.35 = 18,390.51 : x
  2. Step 2: Convert to fraction form
    29,726.46/41,014.35 = 18,390.51/x
  3. Step 3: Cross multiply
    29,726.46x = 41,014.35 × 18,390.51
  4. Step 4: Simplify right side
    29,726.46x = 754,274,813.82
  5. Step 5: Solve for x
    x = 754,274,813.82/29,726.46
  6. Step 6: Final answer
    x = 25,373.85

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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.