Home / 19,543.58-29,315.37-10,667.78

Finding the Fourth Proportional to 19,543.58, 29,315.37 and 10,667.78

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Solution

The fourth proportional to 19,543.58, 29,315.37 and 10,667.78 is: 16,001.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,543.58 : 29,315.37 = 10,667.78 : x
  2. Step 2: Convert to fraction form
    19,543.58/29,315.37 = 10,667.78/x
  3. Step 3: Cross multiply
    19,543.58x = 29,315.37 × 10,667.78
  4. Step 4: Simplify right side
    19,543.58x = 312,729,778.68
  5. Step 5: Solve for x
    x = 312,729,778.68/19,543.58
  6. Step 6: Final answer
    x = 16,001.66

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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.