Home / 19,177.38-26,451.14-12,800.75

Finding the Fourth Proportional to 19,177.38, 26,451.14 and 12,800.75

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Solution

The fourth proportional to 19,177.38, 26,451.14 and 12,800.75 is: 17,655.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,177.38 : 26,451.14 = 12,800.75 : x
  2. Step 2: Convert to fraction form
    19,177.38/26,451.14 = 12,800.75/x
  3. Step 3: Cross multiply
    19,177.38x = 26,451.14 × 12,800.75
  4. Step 4: Simplify right side
    19,177.38x = 338,594,462.36
  5. Step 5: Solve for x
    x = 338,594,462.36/19,177.38
  6. Step 6: Final answer
    x = 17,655.93

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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.