Home / 18,541.53-27,813.60-7,448.24

Finding the Fourth Proportional to 18,541.53, 27,813.60 and 7,448.24

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Solution

The fourth proportional to 18,541.53, 27,813.60 and 7,448.24 is: 11,172.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,541.53 : 27,813.60 = 7,448.24 : x
  2. Step 2: Convert to fraction form
    18,541.53/27,813.60 = 7,448.24/x
  3. Step 3: Cross multiply
    18,541.53x = 27,813.60 × 7,448.24
  4. Step 4: Simplify right side
    18,541.53x = 207,162,368.06
  5. Step 5: Solve for x
    x = 207,162,368.06/18,541.53
  6. Step 6: Final answer
    x = 11,172.88

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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.