Home / 13,322.06-18,384.26-7,353.98

Finding the Fourth Proportional to 13,322.06, 18,384.26 and 7,353.98

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Solution

The fourth proportional to 13,322.06, 18,384.26 and 7,353.98 is: 10,148.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322.06 : 18,384.26 = 7,353.98 : x
  2. Step 2: Convert to fraction form
    13,322.06/18,384.26 = 7,353.98/x
  3. Step 3: Cross multiply
    13,322.06x = 18,384.26 × 7,353.98
  4. Step 4: Simplify right side
    13,322.06x = 135,197,480.35
  5. Step 5: Solve for x
    x = 135,197,480.35/13,322.06
  6. Step 6: Final answer
    x = 10,148.39

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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.