Home / 19,126.38-26,396.87-10,742.88

Finding the Fourth Proportional to 19,126.38, 26,396.87 and 10,742.88

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Solution

The fourth proportional to 19,126.38, 26,396.87 and 10,742.88 is: 14,826.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126.38 : 26,396.87 = 10,742.88 : x
  2. Step 2: Convert to fraction form
    19,126.38/26,396.87 = 10,742.88/x
  3. Step 3: Cross multiply
    19,126.38x = 26,396.87 × 10,742.88
  4. Step 4: Simplify right side
    19,126.38x = 283,578,406.79
  5. Step 5: Solve for x
    x = 283,578,406.79/19,126.38
  6. Step 6: Final answer
    x = 14,826.56

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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.