Home / 19,495.60-26,903.55-11,431.24

Finding the Fourth Proportional to 19,495.60, 26,903.55 and 11,431.24

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Solution

The fourth proportional to 19,495.60, 26,903.55 and 11,431.24 is: 15,774.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,495.60 : 26,903.55 = 11,431.24 : x
  2. Step 2: Convert to fraction form
    19,495.60/26,903.55 = 11,431.24/x
  3. Step 3: Cross multiply
    19,495.60x = 26,903.55 × 11,431.24
  4. Step 4: Simplify right side
    19,495.60x = 307,540,936.90
  5. Step 5: Solve for x
    x = 307,540,936.90/19,495.60
  6. Step 6: Final answer
    x = 15,774.89

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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.