Home / 22,243.74-30,707.46-12,810.48

Finding the Fourth Proportional to 22,243.74, 30,707.46 and 12,810.48

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Solution

The fourth proportional to 22,243.74, 30,707.46 and 12,810.48 is: 17,684.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,243.74 : 30,707.46 = 12,810.48 : x
  2. Step 2: Convert to fraction form
    22,243.74/30,707.46 = 12,810.48/x
  3. Step 3: Cross multiply
    22,243.74x = 30,707.46 × 12,810.48
  4. Step 4: Simplify right side
    22,243.74x = 393,377,302.18
  5. Step 5: Solve for x
    x = 393,377,302.18/22,243.74
  6. Step 6: Final answer
    x = 17,684.85

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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.