Home / 26,189.82-36,143.88-14,861.26

Finding the Fourth Proportional to 26,189.82, 36,143.88 and 14,861.26

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Solution

The fourth proportional to 26,189.82, 36,143.88 and 14,861.26 is: 20,509.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,189.82 : 36,143.88 = 14,861.26 : x
  2. Step 2: Convert to fraction form
    26,189.82/36,143.88 = 14,861.26/x
  3. Step 3: Cross multiply
    26,189.82x = 36,143.88 × 14,861.26
  4. Step 4: Simplify right side
    26,189.82x = 537,143,598.09
  5. Step 5: Solve for x
    x = 537,143,598.09/26,189.82
  6. Step 6: Final answer
    x = 20,509.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.