Home / 22,442.70-30,969.54-12,370.62

Finding the Fourth Proportional to 22,442.70, 30,969.54 and 12,370.62

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Solution

The fourth proportional to 22,442.70, 30,969.54 and 12,370.62 is: 17,070.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,442.70 : 30,969.54 = 12,370.62 : x
  2. Step 2: Convert to fraction form
    22,442.70/30,969.54 = 12,370.62/x
  3. Step 3: Cross multiply
    22,442.70x = 30,969.54 × 12,370.62
  4. Step 4: Simplify right side
    22,442.70x = 383,112,527.05
  5. Step 5: Solve for x
    x = 383,112,527.05/22,442.70
  6. Step 6: Final answer
    x = 17,070.69

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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.