Home / 22,253.49-30,708.63-12,179.98

Finding the Fourth Proportional to 22,253.49, 30,708.63 and 12,179.98

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Solution

The fourth proportional to 22,253.49, 30,708.63 and 12,179.98 is: 16,807.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,253.49 : 30,708.63 = 12,179.98 : x
  2. Step 2: Convert to fraction form
    22,253.49/30,708.63 = 12,179.98/x
  3. Step 3: Cross multiply
    22,253.49x = 30,708.63 × 12,179.98
  4. Step 4: Simplify right side
    22,253.49x = 374,030,422.46
  5. Step 5: Solve for x
    x = 374,030,422.46/22,253.49
  6. Step 6: Final answer
    x = 16,807.72

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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.