Home / 22,155.98-30,575.30-14,202.81

Finding the Fourth Proportional to 22,155.98, 30,575.30 and 14,202.81

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Solution

The fourth proportional to 22,155.98, 30,575.30 and 14,202.81 is: 19,599.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,155.98 : 30,575.30 = 14,202.81 : x
  2. Step 2: Convert to fraction form
    22,155.98/30,575.30 = 14,202.81/x
  3. Step 3: Cross multiply
    22,155.98x = 30,575.30 × 14,202.81
  4. Step 4: Simplify right side
    22,155.98x = 434,255,105.58
  5. Step 5: Solve for x
    x = 434,255,105.58/22,155.98
  6. Step 6: Final answer
    x = 19,599.91

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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.