Home / 13,192.37-18,204.13-7,528.34

Finding the Fourth Proportional to 13,192.37, 18,204.13 and 7,528.34

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Solution

The fourth proportional to 13,192.37, 18,204.13 and 7,528.34 is: 10,388.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.37 : 18,204.13 = 7,528.34 : x
  2. Step 2: Convert to fraction form
    13,192.37/18,204.13 = 7,528.34/x
  3. Step 3: Cross multiply
    13,192.37x = 18,204.13 × 7,528.34
  4. Step 4: Simplify right side
    13,192.37x = 137,046,751.38
  5. Step 5: Solve for x
    x = 137,046,751.38/13,192.37
  6. Step 6: Final answer
    x = 10,388.34

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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.