Home / 22,901.43-31,604.67-12,829.86

Finding the Fourth Proportional to 22,901.43, 31,604.67 and 12,829.86

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Solution

The fourth proportional to 22,901.43, 31,604.67 and 12,829.86 is: 17,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,901.43 : 31,604.67 = 12,829.86 : x
  2. Step 2: Convert to fraction form
    22,901.43/31,604.67 = 12,829.86/x
  3. Step 3: Cross multiply
    22,901.43x = 31,604.67 × 12,829.86
  4. Step 4: Simplify right side
    22,901.43x = 405,483,491.45
  5. Step 5: Solve for x
    x = 405,483,491.45/22,901.43
  6. Step 6: Final answer
    x = 17,705.60

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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.