Home / 19,361.23-26,722.50-11,405.41

Finding the Fourth Proportional to 19,361.23, 26,722.50 and 11,405.41

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Solution

The fourth proportional to 19,361.23, 26,722.50 and 11,405.41 is: 15,741.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,361.23 : 26,722.50 = 11,405.41 : x
  2. Step 2: Convert to fraction form
    19,361.23/26,722.50 = 11,405.41/x
  3. Step 3: Cross multiply
    19,361.23x = 26,722.50 × 11,405.41
  4. Step 4: Simplify right side
    19,361.23x = 304,781,068.73
  5. Step 5: Solve for x
    x = 304,781,068.73/19,361.23
  6. Step 6: Final answer
    x = 15,741.82

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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.