Home / 18,795.68-25,935.42-10,412.72

Finding the Fourth Proportional to 18,795.68, 25,935.42 and 10,412.72

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Solution

The fourth proportional to 18,795.68, 25,935.42 and 10,412.72 is: 14,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.68 : 25,935.42 = 10,412.72 : x
  2. Step 2: Convert to fraction form
    18,795.68/25,935.42 = 10,412.72/x
  3. Step 3: Cross multiply
    18,795.68x = 25,935.42 × 10,412.72
  4. Step 4: Simplify right side
    18,795.68x = 270,058,266.54
  5. Step 5: Solve for x
    x = 270,058,266.54/18,795.68
  6. Step 6: Final answer
    x = 14,368.10

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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.