Home / 13,465.82-18,586.10-7,799.65

Finding the Fourth Proportional to 13,465.82, 18,586.10 and 7,799.65

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Solution

The fourth proportional to 13,465.82, 18,586.10 and 7,799.65 is: 10,765.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.82 : 18,586.10 = 7,799.65 : x
  2. Step 2: Convert to fraction form
    13,465.82/18,586.10 = 7,799.65/x
  3. Step 3: Cross multiply
    13,465.82x = 18,586.10 × 7,799.65
  4. Step 4: Simplify right side
    13,465.82x = 144,965,114.29
  5. Step 5: Solve for x
    x = 144,965,114.29/13,465.82
  6. Step 6: Final answer
    x = 10,765.41

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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.