Home / 22,048.39-30,429.44-12,616.75

Finding the Fourth Proportional to 22,048.39, 30,429.44 and 12,616.75

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Solution

The fourth proportional to 22,048.39, 30,429.44 and 12,616.75 is: 17,412.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,048.39 : 30,429.44 = 12,616.75 : x
  2. Step 2: Convert to fraction form
    22,048.39/30,429.44 = 12,616.75/x
  3. Step 3: Cross multiply
    22,048.39x = 30,429.44 × 12,616.75
  4. Step 4: Simplify right side
    22,048.39x = 383,920,637.12
  5. Step 5: Solve for x
    x = 383,920,637.12/22,048.39
  6. Step 6: Final answer
    x = 17,412.64

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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.