Home / 19,475.84-29,221.12-11,690.08

Finding the Fourth Proportional to 19,475.84, 29,221.12 and 11,690.08

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Solution

The fourth proportional to 19,475.84, 29,221.12 and 11,690.08 is: 17,539.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,475.84 : 29,221.12 = 11,690.08 : x
  2. Step 2: Convert to fraction form
    19,475.84/29,221.12 = 11,690.08/x
  3. Step 3: Cross multiply
    19,475.84x = 29,221.12 × 11,690.08
  4. Step 4: Simplify right side
    19,475.84x = 341,597,230.49
  5. Step 5: Solve for x
    x = 341,597,230.49/19,475.84
  6. Step 6: Final answer
    x = 17,539.54

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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.