Home / 13,242.33-18,272.39-7,652.25

Finding the Fourth Proportional to 13,242.33, 18,272.39 and 7,652.25

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Solution

The fourth proportional to 13,242.33, 18,272.39 and 7,652.25 is: 10,558.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242.33 : 18,272.39 = 7,652.25 : x
  2. Step 2: Convert to fraction form
    13,242.33/18,272.39 = 7,652.25/x
  3. Step 3: Cross multiply
    13,242.33x = 18,272.39 × 7,652.25
  4. Step 4: Simplify right side
    13,242.33x = 139,824,858.12
  5. Step 5: Solve for x
    x = 139,824,858.12/13,242.33
  6. Step 6: Final answer
    x = 10,558.93

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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.