Home / 22,392.55-30,896.40-14,425.39

Finding the Fourth Proportional to 22,392.55, 30,896.40 and 14,425.39

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Solution

The fourth proportional to 22,392.55, 30,896.40 and 14,425.39 is: 19,903.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,392.55 : 30,896.40 = 14,425.39 : x
  2. Step 2: Convert to fraction form
    22,392.55/30,896.40 = 14,425.39/x
  3. Step 3: Cross multiply
    22,392.55x = 30,896.40 × 14,425.39
  4. Step 4: Simplify right side
    22,392.55x = 445,692,619.60
  5. Step 5: Solve for x
    x = 445,692,619.60/22,392.55
  6. Step 6: Final answer
    x = 19,903.61

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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.