Home / 26,547.28-39,845.57-13,408.89

Finding the Fourth Proportional to 26,547.28, 39,845.57 and 13,408.89

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Solution

The fourth proportional to 26,547.28, 39,845.57 and 13,408.89 is: 20,125.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,547.28 : 39,845.57 = 13,408.89 : x
  2. Step 2: Convert to fraction form
    26,547.28/39,845.57 = 13,408.89/x
  3. Step 3: Cross multiply
    26,547.28x = 39,845.57 × 13,408.89
  4. Step 4: Simplify right side
    26,547.28x = 534,284,865.12
  5. Step 5: Solve for x
    x = 534,284,865.12/26,547.28
  6. Step 6: Final answer
    x = 20,125.79

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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.