Home / 19,266.40-26,581.39-11,310.58

Finding the Fourth Proportional to 19,266.40, 26,581.39 and 11,310.58

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Solution

The fourth proportional to 19,266.40, 26,581.39 and 11,310.58 is: 15,604.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,266.40 : 26,581.39 = 11,310.58 : x
  2. Step 2: Convert to fraction form
    19,266.40/26,581.39 = 11,310.58/x
  3. Step 3: Cross multiply
    19,266.40x = 26,581.39 × 11,310.58
  4. Step 4: Simplify right side
    19,266.40x = 300,650,938.11
  5. Step 5: Solve for x
    x = 300,650,938.11/19,266.40
  6. Step 6: Final answer
    x = 15,604.94

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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.