Home / 19,082.78-26,325.16-12,712.33

Finding the Fourth Proportional to 19,082.78, 26,325.16 and 12,712.33

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Solution

The fourth proportional to 19,082.78, 26,325.16 and 12,712.33 is: 17,536.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,082.78 : 26,325.16 = 12,712.33 : x
  2. Step 2: Convert to fraction form
    19,082.78/26,325.16 = 12,712.33/x
  3. Step 3: Cross multiply
    19,082.78x = 26,325.16 × 12,712.33
  4. Step 4: Simplify right side
    19,082.78x = 334,654,121.22
  5. Step 5: Solve for x
    x = 334,654,121.22/19,082.78
  6. Step 6: Final answer
    x = 17,536.97

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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.