Home / 23,151.78-31,949.58-12,541.44

Finding the Fourth Proportional to 23,151.78, 31,949.58 and 12,541.44

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Solution

The fourth proportional to 23,151.78, 31,949.58 and 12,541.44 is: 17,307.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,151.78 : 31,949.58 = 12,541.44 : x
  2. Step 2: Convert to fraction form
    23,151.78/31,949.58 = 12,541.44/x
  3. Step 3: Cross multiply
    23,151.78x = 31,949.58 × 12,541.44
  4. Step 4: Simplify right side
    23,151.78x = 400,693,740.60
  5. Step 5: Solve for x
    x = 400,693,740.60/23,151.78
  6. Step 6: Final answer
    x = 17,307.25

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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.