Home / 18,308.36-25,256.25-11,582.66

Finding the Fourth Proportional to 18,308.36, 25,256.25 and 11,582.66

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Solution

The fourth proportional to 18,308.36, 25,256.25 and 11,582.66 is: 15,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,308.36 : 25,256.25 = 11,582.66 : x
  2. Step 2: Convert to fraction form
    18,308.36/25,256.25 = 11,582.66/x
  3. Step 3: Cross multiply
    18,308.36x = 25,256.25 × 11,582.66
  4. Step 4: Simplify right side
    18,308.36x = 292,534,556.63
  5. Step 5: Solve for x
    x = 292,534,556.63/18,308.36
  6. Step 6: Final answer
    x = 15,978.20

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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.