Home / 22,650.30-31,253.94-12,578.58

Finding the Fourth Proportional to 22,650.30, 31,253.94 and 12,578.58

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Solution

The fourth proportional to 22,650.30, 31,253.94 and 12,578.58 is: 17,356.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,650.30 : 31,253.94 = 12,578.58 : x
  2. Step 2: Convert to fraction form
    22,650.30/31,253.94 = 12,578.58/x
  3. Step 3: Cross multiply
    22,650.30x = 31,253.94 × 12,578.58
  4. Step 4: Simplify right side
    22,650.30x = 393,130,184.61
  5. Step 5: Solve for x
    x = 393,130,184.61/22,650.30
  6. Step 6: Final answer
    x = 17,356.51

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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.