Home / 13,466.18-18,580.61-8,157.92

Finding the Fourth Proportional to 13,466.18, 18,580.61 and 8,157.92

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Solution

The fourth proportional to 13,466.18, 18,580.61 and 8,157.92 is: 11,256.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466.18 : 18,580.61 = 8,157.92 : x
  2. Step 2: Convert to fraction form
    13,466.18/18,580.61 = 8,157.92/x
  3. Step 3: Cross multiply
    13,466.18x = 18,580.61 × 8,157.92
  4. Step 4: Simplify right side
    13,466.18x = 151,578,996.24
  5. Step 5: Solve for x
    x = 151,578,996.24/13,466.18
  6. Step 6: Final answer
    x = 11,256.28

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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.