Home / 22,194.48-30,628.80-12,635.76

Finding the Fourth Proportional to 22,194.48, 30,628.80 and 12,635.76

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Solution

The fourth proportional to 22,194.48, 30,628.80 and 12,635.76 is: 17,437.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,194.48 : 30,628.80 = 12,635.76 : x
  2. Step 2: Convert to fraction form
    22,194.48/30,628.80 = 12,635.76/x
  3. Step 3: Cross multiply
    22,194.48x = 30,628.80 × 12,635.76
  4. Step 4: Simplify right side
    22,194.48x = 387,018,165.89
  5. Step 5: Solve for x
    x = 387,018,165.89/22,194.48
  6. Step 6: Final answer
    x = 17,437.59

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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.