Home / 17,141.40-25,678.62-15,283.80

Finding the Fourth Proportional to 17,141.40, 25,678.62 and 15,283.80

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Solution

The fourth proportional to 17,141.40, 25,678.62 and 15,283.80 is: 22,895.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,141.40 : 25,678.62 = 15,283.80 : x
  2. Step 2: Convert to fraction form
    17,141.40/25,678.62 = 15,283.80/x
  3. Step 3: Cross multiply
    17,141.40x = 25,678.62 × 15,283.80
  4. Step 4: Simplify right side
    17,141.40x = 392,466,892.36
  5. Step 5: Solve for x
    x = 392,466,892.36/17,141.40
  6. Step 6: Final answer
    x = 22,895.85

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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.