Home / 26,605.96-39,848.53-20,634.91

Finding the Fourth Proportional to 26,605.96, 39,848.53 and 20,634.91

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Solution

The fourth proportional to 26,605.96, 39,848.53 and 20,634.91 is: 30,905.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,605.96 : 39,848.53 = 20,634.91 : x
  2. Step 2: Convert to fraction form
    26,605.96/39,848.53 = 20,634.91/x
  3. Step 3: Cross multiply
    26,605.96x = 39,848.53 × 20,634.91
  4. Step 4: Simplify right side
    26,605.96x = 822,270,830.18
  5. Step 5: Solve for x
    x = 822,270,830.18/26,605.96
  6. Step 6: Final answer
    x = 30,905.51

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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.