Home / 22,254.99-30,710.70-12,181.48

Finding the Fourth Proportional to 22,254.99, 30,710.70 and 12,181.48

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Solution

The fourth proportional to 22,254.99, 30,710.70 and 12,181.48 is: 16,809.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,254.99 : 30,710.70 = 12,181.48 : x
  2. Step 2: Convert to fraction form
    22,254.99/30,710.70 = 12,181.48/x
  3. Step 3: Cross multiply
    22,254.99x = 30,710.70 × 12,181.48
  4. Step 4: Simplify right side
    22,254.99x = 374,101,777.84
  5. Step 5: Solve for x
    x = 374,101,777.84/22,254.99
  6. Step 6: Final answer
    x = 16,809.79

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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.