Home / 19,421.73-29,145.20-10,662.75

Finding the Fourth Proportional to 19,421.73, 29,145.20 and 10,662.75

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Solution

The fourth proportional to 19,421.73, 29,145.20 and 10,662.75 is: 16,001.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,421.73 : 29,145.20 = 10,662.75 : x
  2. Step 2: Convert to fraction form
    19,421.73/29,145.20 = 10,662.75/x
  3. Step 3: Cross multiply
    19,421.73x = 29,145.20 × 10,662.75
  4. Step 4: Simplify right side
    19,421.73x = 310,767,927.99
  5. Step 5: Solve for x
    x = 310,767,927.99/19,421.73
  6. Step 6: Final answer
    x = 16,001.04

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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.