Home / 19,226.24-26,540.76-12,862.88

Finding the Fourth Proportional to 19,226.24, 26,540.76 and 12,862.88

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Solution

The fourth proportional to 19,226.24, 26,540.76 and 12,862.88 is: 17,756.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,226.24 : 26,540.76 = 12,862.88 : x
  2. Step 2: Convert to fraction form
    19,226.24/26,540.76 = 12,862.88/x
  3. Step 3: Cross multiply
    19,226.24x = 26,540.76 × 12,862.88
  4. Step 4: Simplify right side
    19,226.24x = 341,390,610.99
  5. Step 5: Solve for x
    x = 341,390,610.99/19,226.24
  6. Step 6: Final answer
    x = 17,756.49

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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.