Home / 13,314.55-18,373.95-7,346.27

Finding the Fourth Proportional to 13,314.55, 18,373.95 and 7,346.27

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Solution

The fourth proportional to 13,314.55, 18,373.95 and 7,346.27 is: 10,137.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.55 : 18,373.95 = 7,346.27 : x
  2. Step 2: Convert to fraction form
    13,314.55/18,373.95 = 7,346.27/x
  3. Step 3: Cross multiply
    13,314.55x = 18,373.95 × 7,346.27
  4. Step 4: Simplify right side
    13,314.55x = 134,979,997.67
  5. Step 5: Solve for x
    x = 134,979,997.67/13,314.55
  6. Step 6: Final answer
    x = 10,137.78

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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.