Home / 18,178.74-27,267.32-5,698.48

Finding the Fourth Proportional to 18,178.74, 27,267.32 and 5,698.48

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Solution

The fourth proportional to 18,178.74, 27,267.32 and 5,698.48 is: 8,547.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,178.74 : 27,267.32 = 5,698.48 : x
  2. Step 2: Convert to fraction form
    18,178.74/27,267.32 = 5,698.48/x
  3. Step 3: Cross multiply
    18,178.74x = 27,267.32 × 5,698.48
  4. Step 4: Simplify right side
    18,178.74x = 155,382,249.18
  5. Step 5: Solve for x
    x = 155,382,249.18/18,178.74
  6. Step 6: Final answer
    x = 8,547.47

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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.