Home / 22,182.69-30,612.48-13,235.43

Finding the Fourth Proportional to 22,182.69, 30,612.48 and 13,235.43

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Solution

The fourth proportional to 22,182.69, 30,612.48 and 13,235.43 is: 18,265.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,182.69 : 30,612.48 = 13,235.43 : x
  2. Step 2: Convert to fraction form
    22,182.69/30,612.48 = 13,235.43/x
  3. Step 3: Cross multiply
    22,182.69x = 30,612.48 × 13,235.43
  4. Step 4: Simplify right side
    22,182.69x = 405,169,336.17
  5. Step 5: Solve for x
    x = 405,169,336.17/22,182.69
  6. Step 6: Final answer
    x = 18,265.11

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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.