Home / 22,054.84-30,437.04-12,623.20

Finding the Fourth Proportional to 22,054.84, 30,437.04 and 12,623.20

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Solution

The fourth proportional to 22,054.84, 30,437.04 and 12,623.20 is: 17,420.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,054.84 : 30,437.04 = 12,623.20 : x
  2. Step 2: Convert to fraction form
    22,054.84/30,437.04 = 12,623.20/x
  3. Step 3: Cross multiply
    22,054.84x = 30,437.04 × 12,623.20
  4. Step 4: Simplify right side
    22,054.84x = 384,212,843.33
  5. Step 5: Solve for x
    x = 384,212,843.33/22,054.84
  6. Step 6: Final answer
    x = 17,420.79

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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.