Home / 22,123.23-30,529.60-12,051.55

Finding the Fourth Proportional to 22,123.23, 30,529.60 and 12,051.55

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Solution

The fourth proportional to 22,123.23, 30,529.60 and 12,051.55 is: 16,630.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,123.23 : 30,529.60 = 12,051.55 : x
  2. Step 2: Convert to fraction form
    22,123.23/30,529.60 = 12,051.55/x
  3. Step 3: Cross multiply
    22,123.23x = 30,529.60 × 12,051.55
  4. Step 4: Simplify right side
    22,123.23x = 367,929,000.88
  5. Step 5: Solve for x
    x = 367,929,000.88/22,123.23
  6. Step 6: Final answer
    x = 16,630.89

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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.