Home / 13,612.98-18,797.73-8,586.18

Finding the Fourth Proportional to 13,612.98, 18,797.73 and 8,586.18

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Solution

The fourth proportional to 13,612.98, 18,797.73 and 8,586.18 is: 11,856.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612.98 : 18,797.73 = 8,586.18 : x
  2. Step 2: Convert to fraction form
    13,612.98/18,797.73 = 8,586.18/x
  3. Step 3: Cross multiply
    13,612.98x = 18,797.73 × 8,586.18
  4. Step 4: Simplify right side
    13,612.98x = 161,400,693.37
  5. Step 5: Solve for x
    x = 161,400,693.37/13,612.98
  6. Step 6: Final answer
    x = 11,856.38

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Double scale
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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.