Home / 26,849.08-40,270.54-7,129.18

Finding the Fourth Proportional to 26,849.08, 40,270.54 and 7,129.18

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Solution

The fourth proportional to 26,849.08, 40,270.54 and 7,129.18 is: 10,692.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,849.08 : 40,270.54 = 7,129.18 : x
  2. Step 2: Convert to fraction form
    26,849.08/40,270.54 = 7,129.18/x
  3. Step 3: Cross multiply
    26,849.08x = 40,270.54 × 7,129.18
  4. Step 4: Simplify right side
    26,849.08x = 287,095,928.36
  5. Step 5: Solve for x
    x = 287,095,928.36/26,849.08
  6. Step 6: Final answer
    x = 10,692.95

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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.