Home / 18,507.37-27,740.23-9,127.54

Finding the Fourth Proportional to 18,507.37, 27,740.23 and 9,127.54

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Solution

The fourth proportional to 18,507.37, 27,740.23 and 9,127.54 is: 13,681.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,507.37 : 27,740.23 = 9,127.54 : x
  2. Step 2: Convert to fraction form
    18,507.37/27,740.23 = 9,127.54/x
  3. Step 3: Cross multiply
    18,507.37x = 27,740.23 × 9,127.54
  4. Step 4: Simplify right side
    18,507.37x = 253,200,058.93
  5. Step 5: Solve for x
    x = 253,200,058.93/18,507.37
  6. Step 6: Final answer
    x = 13,681.04

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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.