Home / 18,328.22-25,313.67-12,349.52

Finding the Fourth Proportional to 18,328.22, 25,313.67 and 12,349.52

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Solution

The fourth proportional to 18,328.22, 25,313.67 and 12,349.52 is: 17,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.22 : 25,313.67 = 12,349.52 : x
  2. Step 2: Convert to fraction form
    18,328.22/25,313.67 = 12,349.52/x
  3. Step 3: Cross multiply
    18,328.22x = 25,313.67 × 12,349.52
  4. Step 4: Simplify right side
    18,328.22x = 312,611,673.94
  5. Step 5: Solve for x
    x = 312,611,673.94/18,328.22
  6. Step 6: Final answer
    x = 17,056.30

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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.