Home / 19,371.10-29,066.26-7,684.06

Finding the Fourth Proportional to 19,371.10, 29,066.26 and 7,684.06

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Solution

The fourth proportional to 19,371.10, 29,066.26 and 7,684.06 is: 11,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,371.10 : 29,066.26 = 7,684.06 : x
  2. Step 2: Convert to fraction form
    19,371.10/29,066.26 = 7,684.06/x
  3. Step 3: Cross multiply
    19,371.10x = 29,066.26 × 7,684.06
  4. Step 4: Simplify right side
    19,371.10x = 223,346,885.82
  5. Step 5: Solve for x
    x = 223,346,885.82/19,371.10
  6. Step 6: Final answer
    x = 11,529.90

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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.