Home / 22,792.75-31,455.21-13,364.35

Finding the Fourth Proportional to 22,792.75, 31,455.21 and 13,364.35

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Solution

The fourth proportional to 22,792.75, 31,455.21 and 13,364.35 is: 18,443.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,792.75 : 31,455.21 = 13,364.35 : x
  2. Step 2: Convert to fraction form
    22,792.75/31,455.21 = 13,364.35/x
  3. Step 3: Cross multiply
    22,792.75x = 31,455.21 × 13,364.35
  4. Step 4: Simplify right side
    22,792.75x = 420,378,435.76
  5. Step 5: Solve for x
    x = 420,378,435.76/22,792.75
  6. Step 6: Final answer
    x = 18,443.52

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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.