Home / 26,123.05-36,055.55-17,171.38

Finding the Fourth Proportional to 26,123.05, 36,055.55 and 17,171.38

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Solution

The fourth proportional to 26,123.05, 36,055.55 and 17,171.38 is: 23,700.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,123.05 : 36,055.55 = 17,171.38 : x
  2. Step 2: Convert to fraction form
    26,123.05/36,055.55 = 17,171.38/x
  3. Step 3: Cross multiply
    26,123.05x = 36,055.55 × 17,171.38
  4. Step 4: Simplify right side
    26,123.05x = 619,123,374.16
  5. Step 5: Solve for x
    x = 619,123,374.16/26,123.05
  6. Step 6: Final answer
    x = 23,700.27

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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.