Home / 18,329.51-27,482.92-12,468.35

Finding the Fourth Proportional to 18,329.51, 27,482.92 and 12,468.35

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Solution

The fourth proportional to 18,329.51, 27,482.92 and 12,468.35 is: 18,694.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329.51 : 27,482.92 = 12,468.35 : x
  2. Step 2: Convert to fraction form
    18,329.51/27,482.92 = 12,468.35/x
  3. Step 3: Cross multiply
    18,329.51x = 27,482.92 × 12,468.35
  4. Step 4: Simplify right side
    18,329.51x = 342,666,665.58
  5. Step 5: Solve for x
    x = 342,666,665.58/18,329.51
  6. Step 6: Final answer
    x = 18,694.81

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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.