Home / 19,949.88-29,886.48-11,158.14

Finding the Fourth Proportional to 19,949.88, 29,886.48 and 11,158.14

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Solution

The fourth proportional to 19,949.88, 29,886.48 and 11,158.14 is: 16,715.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,949.88 : 29,886.48 = 11,158.14 : x
  2. Step 2: Convert to fraction form
    19,949.88/29,886.48 = 11,158.14/x
  3. Step 3: Cross multiply
    19,949.88x = 29,886.48 × 11,158.14
  4. Step 4: Simplify right side
    19,949.88x = 333,477,527.95
  5. Step 5: Solve for x
    x = 333,477,527.95/19,949.88
  6. Step 6: Final answer
    x = 16,715.77

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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.