Home / 18,410.49-27,626.67-7,322.40

Finding the Fourth Proportional to 18,410.49, 27,626.67 and 7,322.40

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Solution

The fourth proportional to 18,410.49, 27,626.67 and 7,322.40 is: 10,987.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,410.49 : 27,626.67 = 7,322.40 : x
  2. Step 2: Convert to fraction form
    18,410.49/27,626.67 = 7,322.40/x
  3. Step 3: Cross multiply
    18,410.49x = 27,626.67 × 7,322.40
  4. Step 4: Simplify right side
    18,410.49x = 202,293,528.41
  5. Step 5: Solve for x
    x = 202,293,528.41/18,410.49
  6. Step 6: Final answer
    x = 10,987.95

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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.