Home / 13,453.27-18,564.92-7,484.98

Finding the Fourth Proportional to 13,453.27, 18,564.92 and 7,484.98

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Solution

The fourth proportional to 13,453.27, 18,564.92 and 7,484.98 is: 10,328.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.27 : 18,564.92 = 7,484.98 : x
  2. Step 2: Convert to fraction form
    13,453.27/18,564.92 = 7,484.98/x
  3. Step 3: Cross multiply
    13,453.27x = 18,564.92 × 7,484.98
  4. Step 4: Simplify right side
    13,453.27x = 138,958,054.90
  5. Step 5: Solve for x
    x = 138,958,054.90/13,453.27
  6. Step 6: Final answer
    x = 10,328.94

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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.