Home / 19,164.55-26,447.04-10,781.05

Finding the Fourth Proportional to 19,164.55, 26,447.04 and 10,781.05

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Solution

The fourth proportional to 19,164.55, 26,447.04 and 10,781.05 is: 14,877.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164.55 : 26,447.04 = 10,781.05 : x
  2. Step 2: Convert to fraction form
    19,164.55/26,447.04 = 10,781.05/x
  3. Step 3: Cross multiply
    19,164.55x = 26,447.04 × 10,781.05
  4. Step 4: Simplify right side
    19,164.55x = 285,126,860.59
  5. Step 5: Solve for x
    x = 285,126,860.59/19,164.55
  6. Step 6: Final answer
    x = 14,877.83

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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.