Home / 22,415.06-30,932.32-12,343.68

Finding the Fourth Proportional to 22,415.06, 30,932.32 and 12,343.68

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Solution

The fourth proportional to 22,415.06, 30,932.32 and 12,343.68 is: 17,034.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,415.06 : 30,932.32 = 12,343.68 : x
  2. Step 2: Convert to fraction form
    22,415.06/30,932.32 = 12,343.68/x
  3. Step 3: Cross multiply
    22,415.06x = 30,932.32 × 12,343.68
  4. Step 4: Simplify right side
    22,415.06x = 381,818,628.88
  5. Step 5: Solve for x
    x = 381,818,628.88/22,415.06
  6. Step 6: Final answer
    x = 17,034.03

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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.