Home / 13,798.68-19,046.52-8,133.12

Finding the Fourth Proportional to 13,798.68, 19,046.52 and 8,133.12

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Solution

The fourth proportional to 13,798.68, 19,046.52 and 8,133.12 is: 11,226.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798.68 : 19,046.52 = 8,133.12 : x
  2. Step 2: Convert to fraction form
    13,798.68/19,046.52 = 8,133.12/x
  3. Step 3: Cross multiply
    13,798.68x = 19,046.52 × 8,133.12
  4. Step 4: Simplify right side
    13,798.68x = 154,907,632.74
  5. Step 5: Solve for x
    x = 154,907,632.74/13,798.68
  6. Step 6: Final answer
    x = 11,226.26

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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.