Home / 18,235.36-27,378.96-17,400.16

Finding the Fourth Proportional to 18,235.36, 27,378.96 and 17,400.16

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Solution

The fourth proportional to 18,235.36, 27,378.96 and 17,400.16 is: 26,124.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235.36 : 27,378.96 = 17,400.16 : x
  2. Step 2: Convert to fraction form
    18,235.36/27,378.96 = 17,400.16/x
  3. Step 3: Cross multiply
    18,235.36x = 27,378.96 × 17,400.16
  4. Step 4: Simplify right side
    18,235.36x = 476,398,284.63
  5. Step 5: Solve for x
    x = 476,398,284.63/18,235.36
  6. Step 6: Final answer
    x = 26,124.97

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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.