Home / 19,189.49-28,767.29-7,494.53

Finding the Fourth Proportional to 19,189.49, 28,767.29 and 7,494.53

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Solution

The fourth proportional to 19,189.49, 28,767.29 and 7,494.53 is: 11,235.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,189.49 : 28,767.29 = 7,494.53 : x
  2. Step 2: Convert to fraction form
    19,189.49/28,767.29 = 7,494.53/x
  3. Step 3: Cross multiply
    19,189.49x = 28,767.29 × 7,494.53
  4. Step 4: Simplify right side
    19,189.49x = 215,597,136.61
  5. Step 5: Solve for x
    x = 215,597,136.61/19,189.49
  6. Step 6: Final answer
    x = 11,235.17

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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.