Home / 22,650.10-31,258.53-12,578.60

Finding the Fourth Proportional to 22,650.10, 31,258.53 and 12,578.60

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Solution

The fourth proportional to 22,650.10, 31,258.53 and 12,578.60 is: 17,359.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,650.10 : 31,258.53 = 12,578.60 : x
  2. Step 2: Convert to fraction form
    22,650.10/31,258.53 = 12,578.60/x
  3. Step 3: Cross multiply
    22,650.10x = 31,258.53 × 12,578.60
  4. Step 4: Simplify right side
    22,650.10x = 393,188,623.60
  5. Step 5: Solve for x
    x = 393,188,623.60/22,650.10
  6. Step 6: Final answer
    x = 17,359.25

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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.