Home / 17,005.10-25,519.80-7,151.45

Finding the Fourth Proportional to 17,005.10, 25,519.80 and 7,151.45

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Solution

The fourth proportional to 17,005.10, 25,519.80 and 7,151.45 is: 10,732.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,005.10 : 25,519.80 = 7,151.45 : x
  2. Step 2: Convert to fraction form
    17,005.10/25,519.80 = 7,151.45/x
  3. Step 3: Cross multiply
    17,005.10x = 25,519.80 × 7,151.45
  4. Step 4: Simplify right side
    17,005.10x = 182,503,573.71
  5. Step 5: Solve for x
    x = 182,503,573.71/17,005.10
  6. Step 6: Final answer
    x = 10,732.28

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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.