Home / 23,151.73-31,949.45-12,541.36

Finding the Fourth Proportional to 23,151.73, 31,949.45 and 12,541.36

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Solution

The fourth proportional to 23,151.73, 31,949.45 and 12,541.36 is: 17,307.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,151.73 : 31,949.45 = 12,541.36 : x
  2. Step 2: Convert to fraction form
    23,151.73/31,949.45 = 12,541.36/x
  3. Step 3: Cross multiply
    23,151.73x = 31,949.45 × 12,541.36
  4. Step 4: Simplify right side
    23,151.73x = 400,689,491.55
  5. Step 5: Solve for x
    x = 400,689,491.55/23,151.73
  6. Step 6: Final answer
    x = 17,307.11

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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.