Home / 13,336.02-18,422.37-9,629.46

Finding the Fourth Proportional to 13,336.02, 18,422.37 and 9,629.46

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Solution

The fourth proportional to 13,336.02, 18,422.37 and 9,629.46 is: 13,302.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.02 : 18,422.37 = 9,629.46 : x
  2. Step 2: Convert to fraction form
    13,336.02/18,422.37 = 9,629.46/x
  3. Step 3: Cross multiply
    13,336.02x = 18,422.37 × 9,629.46
  4. Step 4: Simplify right side
    13,336.02x = 177,397,475.02
  5. Step 5: Solve for x
    x = 177,397,475.02/13,336.02
  6. Step 6: Final answer
    x = 13,302.13

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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.