Home / 13,255.44-18,293.04-7,948.32

Finding the Fourth Proportional to 13,255.44, 18,293.04 and 7,948.32

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Solution

The fourth proportional to 13,255.44, 18,293.04 and 7,948.32 is: 10,969.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.44 : 18,293.04 = 7,948.32 : x
  2. Step 2: Convert to fraction form
    13,255.44/18,293.04 = 7,948.32/x
  3. Step 3: Cross multiply
    13,255.44x = 18,293.04 × 7,948.32
  4. Step 4: Simplify right side
    13,255.44x = 145,398,935.69
  5. Step 5: Solve for x
    x = 145,398,935.69/13,255.44
  6. Step 6: Final answer
    x = 10,969.00

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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.