Home / 13,754.05-18,980.61-7,466.44

Finding the Fourth Proportional to 13,754.05, 18,980.61 and 7,466.44

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Solution

The fourth proportional to 13,754.05, 18,980.61 and 7,466.44 is: 10,303.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754.05 : 18,980.61 = 7,466.44 : x
  2. Step 2: Convert to fraction form
    13,754.05/18,980.61 = 7,466.44/x
  3. Step 3: Cross multiply
    13,754.05x = 18,980.61 × 7,466.44
  4. Step 4: Simplify right side
    13,754.05x = 141,717,585.73
  5. Step 5: Solve for x
    x = 141,717,585.73/13,754.05
  6. Step 6: Final answer
    x = 10,303.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.