Home / 13,175.27-19,740.96-9,271.47

Finding the Fourth Proportional to 13,175.27, 19,740.96 and 9,271.47

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Solution

The fourth proportional to 13,175.27, 19,740.96 and 9,271.47 is: 13,891.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.27 : 19,740.96 = 9,271.47 : x
  2. Step 2: Convert to fraction form
    13,175.27/19,740.96 = 9,271.47/x
  3. Step 3: Cross multiply
    13,175.27x = 19,740.96 × 9,271.47
  4. Step 4: Simplify right side
    13,175.27x = 183,027,718.41
  5. Step 5: Solve for x
    x = 183,027,718.41/13,175.27
  6. Step 6: Final answer
    x = 13,891.76

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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.