Home / 19,529.58-29,310.12-10,172.46

Finding the Fourth Proportional to 19,529.58, 29,310.12 and 10,172.46

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Solution

The fourth proportional to 19,529.58, 29,310.12 and 10,172.46 is: 15,266.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,529.58 : 29,310.12 = 10,172.46 : x
  2. Step 2: Convert to fraction form
    19,529.58/29,310.12 = 10,172.46/x
  3. Step 3: Cross multiply
    19,529.58x = 29,310.12 × 10,172.46
  4. Step 4: Simplify right side
    19,529.58x = 298,156,023.30
  5. Step 5: Solve for x
    x = 298,156,023.30/19,529.58
  6. Step 6: Final answer
    x = 15,266.89

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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.