Home / 26,230.91-36,233.28-19,438.74

Finding the Fourth Proportional to 26,230.91, 36,233.28 and 19,438.74

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Solution

The fourth proportional to 26,230.91, 36,233.28 and 19,438.74 is: 26,851.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,230.91 : 36,233.28 = 19,438.74 : x
  2. Step 2: Convert to fraction form
    26,230.91/36,233.28 = 19,438.74/x
  3. Step 3: Cross multiply
    26,230.91x = 36,233.28 × 19,438.74
  4. Step 4: Simplify right side
    26,230.91x = 704,329,309.27
  5. Step 5: Solve for x
    x = 704,329,309.27/26,230.91
  6. Step 6: Final answer
    x = 26,851.13

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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.