Home / 16,905.57-25,359.74-5,812.28

Finding the Fourth Proportional to 16,905.57, 25,359.74 and 5,812.28

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Solution

The fourth proportional to 16,905.57, 25,359.74 and 5,812.28 is: 8,718.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,905.57 : 25,359.74 = 5,812.28 : x
  2. Step 2: Convert to fraction form
    16,905.57/25,359.74 = 5,812.28/x
  3. Step 3: Cross multiply
    16,905.57x = 25,359.74 × 5,812.28
  4. Step 4: Simplify right side
    16,905.57x = 147,397,753.75
  5. Step 5: Solve for x
    x = 147,397,753.75/16,905.57
  6. Step 6: Final answer
    x = 8,718.89

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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.