Home / 13,632.30-18,804.56-8,587.62

Finding the Fourth Proportional to 13,632.30, 18,804.56 and 8,587.62

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Solution

The fourth proportional to 13,632.30, 18,804.56 and 8,587.62 is: 11,845.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.30 : 18,804.56 = 8,587.62 : x
  2. Step 2: Convert to fraction form
    13,632.30/18,804.56 = 8,587.62/x
  3. Step 3: Cross multiply
    13,632.30x = 18,804.56 × 8,587.62
  4. Step 4: Simplify right side
    13,632.30x = 161,486,372.61
  5. Step 5: Solve for x
    x = 161,486,372.61/13,632.30
  6. Step 6: Final answer
    x = 11,845.86

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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.