Home / 18,212.40-27,322.71-5,563.29

Finding the Fourth Proportional to 18,212.40, 27,322.71 and 5,563.29

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Solution

The fourth proportional to 18,212.40, 27,322.71 and 5,563.29 is: 8,346.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212.40 : 27,322.71 = 5,563.29 : x
  2. Step 2: Convert to fraction form
    18,212.40/27,322.71 = 5,563.29/x
  3. Step 3: Cross multiply
    18,212.40x = 27,322.71 × 5,563.29
  4. Step 4: Simplify right side
    18,212.40x = 152,004,159.32
  5. Step 5: Solve for x
    x = 152,004,159.32/18,212.40
  6. Step 6: Final answer
    x = 8,346.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.