Home / 13,760.55-18,997.44-9,058.50

Finding the Fourth Proportional to 13,760.55, 18,997.44 and 9,058.50

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Solution

The fourth proportional to 13,760.55, 18,997.44 and 9,058.50 is: 12,505.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,760.55 : 18,997.44 = 9,058.50 : x
  2. Step 2: Convert to fraction form
    13,760.55/18,997.44 = 9,058.50/x
  3. Step 3: Cross multiply
    13,760.55x = 18,997.44 × 9,058.50
  4. Step 4: Simplify right side
    13,760.55x = 172,088,276.27
  5. Step 5: Solve for x
    x = 172,088,276.27/13,760.55
  6. Step 6: Final answer
    x = 12,505.92

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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.