Home / 26,518.94-39,770-8,984.66

Finding the Fourth Proportional to 26,518.94, 39,770 and 8,984.66

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Solution

The fourth proportional to 26,518.94, 39,770 and 8,984.66 is: 13,474.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,518.94 : 39,770 = 8,984.66 : x
  2. Step 2: Convert to fraction form
    26,518.94/39,770 = 8,984.66/x
  3. Step 3: Cross multiply
    26,518.94x = 39,770 × 8,984.66
  4. Step 4: Simplify right side
    26,518.94x = 357,319,928.20
  5. Step 5: Solve for x
    x = 357,319,928.20/26,518.94
  6. Step 6: Final answer
    x = 13,474.14

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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.