Home / 13,423.49-20,126.96-4,537.98

Finding the Fourth Proportional to 13,423.49, 20,126.96 and 4,537.98

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Solution

The fourth proportional to 13,423.49, 20,126.96 and 4,537.98 is: 6,804.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423.49 : 20,126.96 = 4,537.98 : x
  2. Step 2: Convert to fraction form
    13,423.49/20,126.96 = 4,537.98/x
  3. Step 3: Cross multiply
    13,423.49x = 20,126.96 × 4,537.98
  4. Step 4: Simplify right side
    13,423.49x = 91,335,741.94
  5. Step 5: Solve for x
    x = 91,335,741.94/13,423.49
  6. Step 6: Final answer
    x = 6,804.17

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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.