Home / 22,013.60-32,977.20-13,222.56

Finding the Fourth Proportional to 22,013.60, 32,977.20 and 13,222.56

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Solution

The fourth proportional to 22,013.60, 32,977.20 and 13,222.56 is: 19,807.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,013.60 : 32,977.20 = 13,222.56 : x
  2. Step 2: Convert to fraction form
    22,013.60/32,977.20 = 13,222.56/x
  3. Step 3: Cross multiply
    22,013.60x = 32,977.20 × 13,222.56
  4. Step 4: Simplify right side
    22,013.60x = 436,043,005.63
  5. Step 5: Solve for x
    x = 436,043,005.63/22,013.60
  6. Step 6: Final answer
    x = 19,807.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.