Home / 13,843.27-19,103.19-7,555.51

Finding the Fourth Proportional to 13,843.27, 19,103.19 and 7,555.51

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Solution

The fourth proportional to 13,843.27, 19,103.19 and 7,555.51 is: 10,426.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,843.27 : 19,103.19 = 7,555.51 : x
  2. Step 2: Convert to fraction form
    13,843.27/19,103.19 = 7,555.51/x
  3. Step 3: Cross multiply
    13,843.27x = 19,103.19 × 7,555.51
  4. Step 4: Simplify right side
    13,843.27x = 144,334,343.08
  5. Step 5: Solve for x
    x = 144,334,343.08/13,843.27
  6. Step 6: Final answer
    x = 10,426.32

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Double scale
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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.