Home / 13,451.37-18,563.58-7,483.16

Finding the Fourth Proportional to 13,451.37, 18,563.58 and 7,483.16

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Solution

The fourth proportional to 13,451.37, 18,563.58 and 7,483.16 is: 10,327.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451.37 : 18,563.58 = 7,483.16 : x
  2. Step 2: Convert to fraction form
    13,451.37/18,563.58 = 7,483.16/x
  3. Step 3: Cross multiply
    13,451.37x = 18,563.58 × 7,483.16
  4. Step 4: Simplify right side
    13,451.37x = 138,914,146.49
  5. Step 5: Solve for x
    x = 138,914,146.49/13,451.37
  6. Step 6: Final answer
    x = 10,327.14

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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.