Home / 19,486.34-29,229.51-11,160.59

Finding the Fourth Proportional to 19,486.34, 29,229.51 and 11,160.59

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Solution

The fourth proportional to 19,486.34, 29,229.51 and 11,160.59 is: 16,740.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.34 : 29,229.51 = 11,160.59 : x
  2. Step 2: Convert to fraction form
    19,486.34/29,229.51 = 11,160.59/x
  3. Step 3: Cross multiply
    19,486.34x = 29,229.51 × 11,160.59
  4. Step 4: Simplify right side
    19,486.34x = 326,218,409.94
  5. Step 5: Solve for x
    x = 326,218,409.94/19,486.34
  6. Step 6: Final answer
    x = 16,740.88

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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.