Home / 13,302.15-18,346.58-8,522.54

Finding the Fourth Proportional to 13,302.15, 18,346.58 and 8,522.54

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Solution

The fourth proportional to 13,302.15, 18,346.58 and 8,522.54 is: 11,754.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.15 : 18,346.58 = 8,522.54 : x
  2. Step 2: Convert to fraction form
    13,302.15/18,346.58 = 8,522.54/x
  3. Step 3: Cross multiply
    13,302.15x = 18,346.58 × 8,522.54
  4. Step 4: Simplify right side
    13,302.15x = 156,359,428.33
  5. Step 5: Solve for x
    x = 156,359,428.33/13,302.15
  6. Step 6: Final answer
    x = 11,754.45

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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.