Home / 15,428.73-23,138.31-5,566.72

Finding the Fourth Proportional to 15,428.73, 23,138.31 and 5,566.72

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Solution

The fourth proportional to 15,428.73, 23,138.31 and 5,566.72 is: 8,348.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.73 : 23,138.31 = 5,566.72 : x
  2. Step 2: Convert to fraction form
    15,428.73/23,138.31 = 5,566.72/x
  3. Step 3: Cross multiply
    15,428.73x = 23,138.31 × 5,566.72
  4. Step 4: Simplify right side
    15,428.73x = 128,804,493.04
  5. Step 5: Solve for x
    x = 128,804,493.04/15,428.73
  6. Step 6: Final answer
    x = 8,348.35

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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.