Home / 13,982.15-19,295.73-7,609.11

Finding the Fourth Proportional to 13,982.15, 19,295.73 and 7,609.11

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Solution

The fourth proportional to 13,982.15, 19,295.73 and 7,609.11 is: 10,500.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.15 : 19,295.73 = 7,609.11 : x
  2. Step 2: Convert to fraction form
    13,982.15/19,295.73 = 7,609.11/x
  3. Step 3: Cross multiply
    13,982.15x = 19,295.73 × 7,609.11
  4. Step 4: Simplify right side
    13,982.15x = 146,823,332.10
  5. Step 5: Solve for x
    x = 146,823,332.10/13,982.15
  6. Step 6: Final answer
    x = 10,500.77

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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.