Home / 19,189.80-26,476.31-11,230.53

Finding the Fourth Proportional to 19,189.80, 26,476.31 and 11,230.53

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Solution

The fourth proportional to 19,189.80, 26,476.31 and 11,230.53 is: 15,494.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,189.80 : 26,476.31 = 11,230.53 : x
  2. Step 2: Convert to fraction form
    19,189.80/26,476.31 = 11,230.53/x
  3. Step 3: Cross multiply
    19,189.80x = 26,476.31 × 11,230.53
  4. Step 4: Simplify right side
    19,189.80x = 297,342,937.59
  5. Step 5: Solve for x
    x = 297,342,937.59/19,189.80
  6. Step 6: Final answer
    x = 15,494.84

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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.