Home / 26,938.31-40,407.54-9,408.14

Finding the Fourth Proportional to 26,938.31, 40,407.54 and 9,408.14

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Solution

The fourth proportional to 26,938.31, 40,407.54 and 9,408.14 is: 14,112.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,938.31 : 40,407.54 = 9,408.14 : x
  2. Step 2: Convert to fraction form
    26,938.31/40,407.54 = 9,408.14/x
  3. Step 3: Cross multiply
    26,938.31x = 40,407.54 × 9,408.14
  4. Step 4: Simplify right side
    26,938.31x = 380,159,793.38
  5. Step 5: Solve for x
    x = 380,159,793.38/26,938.31
  6. Step 6: Final answer
    x = 14,112.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.