Home / 23,258.30-34,887.47-19,137.65

Finding the Fourth Proportional to 23,258.30, 34,887.47 and 19,137.65

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Solution

The fourth proportional to 23,258.30, 34,887.47 and 19,137.65 is: 28,706.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,258.30 : 34,887.47 = 19,137.65 : x
  2. Step 2: Convert to fraction form
    23,258.30/34,887.47 = 19,137.65/x
  3. Step 3: Cross multiply
    23,258.30x = 34,887.47 × 19,137.65
  4. Step 4: Simplify right side
    23,258.30x = 667,663,920.12
  5. Step 5: Solve for x
    x = 667,663,920.12/23,258.30
  6. Step 6: Final answer
    x = 28,706.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.