Home / 13,507.68-18,623.72-10,324.92

Finding the Fourth Proportional to 13,507.68, 18,623.72 and 10,324.92

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Solution

The fourth proportional to 13,507.68, 18,623.72 and 10,324.92 is: 14,235.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507.68 : 18,623.72 = 10,324.92 : x
  2. Step 2: Convert to fraction form
    13,507.68/18,623.72 = 10,324.92/x
  3. Step 3: Cross multiply
    13,507.68x = 18,623.72 × 10,324.92
  4. Step 4: Simplify right side
    13,507.68x = 192,288,419.10
  5. Step 5: Solve for x
    x = 192,288,419.10/13,507.68
  6. Step 6: Final answer
    x = 14,235.49

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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.