Home / 13,568.90-20,318.29-9,365.12

Finding the Fourth Proportional to 13,568.90, 20,318.29 and 9,365.12

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Solution

The fourth proportional to 13,568.90, 20,318.29 and 9,365.12 is: 14,023.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.90 : 20,318.29 = 9,365.12 : x
  2. Step 2: Convert to fraction form
    13,568.90/20,318.29 = 9,365.12/x
  3. Step 3: Cross multiply
    13,568.90x = 20,318.29 × 9,365.12
  4. Step 4: Simplify right side
    13,568.90x = 190,283,224.04
  5. Step 5: Solve for x
    x = 190,283,224.04/13,568.90
  6. Step 6: Final answer
    x = 14,023.49

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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.