Home / 18,174.16-27,261.78-5,027.50

Finding the Fourth Proportional to 18,174.16, 27,261.78 and 5,027.50

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Solution

The fourth proportional to 18,174.16, 27,261.78 and 5,027.50 is: 7,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,174.16 : 27,261.78 = 5,027.50 : x
  2. Step 2: Convert to fraction form
    18,174.16/27,261.78 = 5,027.50/x
  3. Step 3: Cross multiply
    18,174.16x = 27,261.78 × 5,027.50
  4. Step 4: Simplify right side
    18,174.16x = 137,058,598.95
  5. Step 5: Solve for x
    x = 137,058,598.95/18,174.16
  6. Step 6: Final answer
    x = 7,541.40

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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.