Home / 22,120.32-30,525.44-12,184.32

Finding the Fourth Proportional to 22,120.32, 30,525.44 and 12,184.32

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Solution

The fourth proportional to 22,120.32, 30,525.44 and 12,184.32 is: 16,814.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,120.32 : 30,525.44 = 12,184.32 : x
  2. Step 2: Convert to fraction form
    22,120.32/30,525.44 = 12,184.32/x
  3. Step 3: Cross multiply
    22,120.32x = 30,525.44 × 12,184.32
  4. Step 4: Simplify right side
    22,120.32x = 371,931,729.10
  5. Step 5: Solve for x
    x = 371,931,729.10/22,120.32
  6. Step 6: Final answer
    x = 16,814.03

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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.