Home / 22,108.07-30,509.80-12,037.19

Finding the Fourth Proportional to 22,108.07, 30,509.80 and 12,037.19

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Solution

The fourth proportional to 22,108.07, 30,509.80 and 12,037.19 is: 16,611.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,108.07 : 30,509.80 = 12,037.19 : x
  2. Step 2: Convert to fraction form
    22,108.07/30,509.80 = 12,037.19/x
  3. Step 3: Cross multiply
    22,108.07x = 30,509.80 × 12,037.19
  4. Step 4: Simplify right side
    22,108.07x = 367,252,076.82
  5. Step 5: Solve for x
    x = 367,252,076.82/22,108.07
  6. Step 6: Final answer
    x = 16,611.67

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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.