Home / 22,825.21-31,495.66-12,752.40

Finding the Fourth Proportional to 22,825.21, 31,495.66 and 12,752.40

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Solution

The fourth proportional to 22,825.21, 31,495.66 and 12,752.40 is: 17,596.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,825.21 : 31,495.66 = 12,752.40 : x
  2. Step 2: Convert to fraction form
    22,825.21/31,495.66 = 12,752.40/x
  3. Step 3: Cross multiply
    22,825.21x = 31,495.66 × 12,752.40
  4. Step 4: Simplify right side
    22,825.21x = 401,645,033.34
  5. Step 5: Solve for x
    x = 401,645,033.34/22,825.21
  6. Step 6: Final answer
    x = 17,596.56

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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.