Home / 12,419.46-18,623.70-7,732.44

Finding the Fourth Proportional to 12,419.46, 18,623.70 and 7,732.44

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Solution

The fourth proportional to 12,419.46, 18,623.70 and 7,732.44 is: 11,595.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,419.46 : 18,623.70 = 7,732.44 : x
  2. Step 2: Convert to fraction form
    12,419.46/18,623.70 = 7,732.44/x
  3. Step 3: Cross multiply
    12,419.46x = 18,623.70 × 7,732.44
  4. Step 4: Simplify right side
    12,419.46x = 144,006,642.83
  5. Step 5: Solve for x
    x = 144,006,642.83/12,419.46
  6. Step 6: Final answer
    x = 11,595.24

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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.