Home / 27,556.64-38,028.20-14,981.39

Finding the Fourth Proportional to 27,556.64, 38,028.20 and 14,981.39

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Solution

The fourth proportional to 27,556.64, 38,028.20 and 14,981.39 is: 20,674.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,556.64 : 38,028.20 = 14,981.39 : x
  2. Step 2: Convert to fraction form
    27,556.64/38,028.20 = 14,981.39/x
  3. Step 3: Cross multiply
    27,556.64x = 38,028.20 × 14,981.39
  4. Step 4: Simplify right side
    27,556.64x = 569,715,030.15
  5. Step 5: Solve for x
    x = 569,715,030.15/27,556.64
  6. Step 6: Final answer
    x = 20,674.33

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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.