Home / 22,005.58-30,362.41-12,445.66

Finding the Fourth Proportional to 22,005.58, 30,362.41 and 12,445.66

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Solution

The fourth proportional to 22,005.58, 30,362.41 and 12,445.66 is: 17,172.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,005.58 : 30,362.41 = 12,445.66 : x
  2. Step 2: Convert to fraction form
    22,005.58/30,362.41 = 12,445.66/x
  3. Step 3: Cross multiply
    22,005.58x = 30,362.41 × 12,445.66
  4. Step 4: Simplify right side
    22,005.58x = 377,880,231.64
  5. Step 5: Solve for x
    x = 377,880,231.64/22,005.58
  6. Step 6: Final answer
    x = 17,172.02

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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.