Home / 13,498.77-18,630.35-8,192.56

Finding the Fourth Proportional to 13,498.77, 18,630.35 and 8,192.56

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Solution

The fourth proportional to 13,498.77, 18,630.35 and 8,192.56 is: 11,306.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,498.77 : 18,630.35 = 8,192.56 : x
  2. Step 2: Convert to fraction form
    13,498.77/18,630.35 = 8,192.56/x
  3. Step 3: Cross multiply
    13,498.77x = 18,630.35 × 8,192.56
  4. Step 4: Simplify right side
    13,498.77x = 152,630,260.20
  5. Step 5: Solve for x
    x = 152,630,260.20/13,498.77
  6. Step 6: Final answer
    x = 11,306.98

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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.