Home / 27,556.11-38,026.13-14,980.86

Finding the Fourth Proportional to 27,556.11, 38,026.13 and 14,980.86

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Solution

The fourth proportional to 27,556.11, 38,026.13 and 14,980.86 is: 20,672.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,556.11 : 38,026.13 = 14,980.86 : x
  2. Step 2: Convert to fraction form
    27,556.11/38,026.13 = 14,980.86/x
  3. Step 3: Cross multiply
    27,556.11x = 38,026.13 × 14,980.86
  4. Step 4: Simplify right side
    27,556.11x = 569,664,054.97
  5. Step 5: Solve for x
    x = 569,664,054.97/27,556.11
  6. Step 6: Final answer
    x = 20,672.88

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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.