Home / 18,336.48-25,268.05-13,016.40

Finding the Fourth Proportional to 18,336.48, 25,268.05 and 13,016.40

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Solution

The fourth proportional to 18,336.48, 25,268.05 and 13,016.40 is: 17,936.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.48 : 25,268.05 = 13,016.40 : x
  2. Step 2: Convert to fraction form
    18,336.48/25,268.05 = 13,016.40/x
  3. Step 3: Cross multiply
    18,336.48x = 25,268.05 × 13,016.40
  4. Step 4: Simplify right side
    18,336.48x = 328,898,854.60
  5. Step 5: Solve for x
    x = 328,898,854.60/18,336.48
  6. Step 6: Final answer
    x = 17,936.86

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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.