Home / 38,268.10-57,402.15-11,973.07

Finding the Fourth Proportional to 38,268.10, 57,402.15 and 11,973.07

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Solution

The fourth proportional to 38,268.10, 57,402.15 and 11,973.07 is: 17,959.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,268.10 : 57,402.15 = 11,973.07 : x
  2. Step 2: Convert to fraction form
    38,268.10/57,402.15 = 11,973.07/x
  3. Step 3: Cross multiply
    38,268.10x = 57,402.15 × 11,973.07
  4. Step 4: Simplify right side
    38,268.10x = 687,279,960.10
  5. Step 5: Solve for x
    x = 687,279,960.10/38,268.10
  6. Step 6: Final answer
    x = 17,959.61

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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.