Home / 17,156.72-25,728.60-7,300.64

Finding the Fourth Proportional to 17,156.72, 25,728.60 and 7,300.64

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Solution

The fourth proportional to 17,156.72, 25,728.60 and 7,300.64 is: 10,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,156.72 : 25,728.60 = 7,300.64 : x
  2. Step 2: Convert to fraction form
    17,156.72/25,728.60 = 7,300.64/x
  3. Step 3: Cross multiply
    17,156.72x = 25,728.60 × 7,300.64
  4. Step 4: Simplify right side
    17,156.72x = 187,835,246.30
  5. Step 5: Solve for x
    x = 187,835,246.30/17,156.72
  6. Step 6: Final answer
    x = 10,948.20

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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.