Home / 27,556.76-38,028.96-14,981.51

Finding the Fourth Proportional to 27,556.76, 38,028.96 and 14,981.51

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Solution

The fourth proportional to 27,556.76, 38,028.96 and 14,981.51 is: 20,674.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,556.76 : 38,028.96 = 14,981.51 : x
  2. Step 2: Convert to fraction form
    27,556.76/38,028.96 = 14,981.51/x
  3. Step 3: Cross multiply
    27,556.76x = 38,028.96 × 14,981.51
  4. Step 4: Simplify right side
    27,556.76x = 569,731,244.53
  5. Step 5: Solve for x
    x = 569,731,244.53/27,556.76
  6. Step 6: Final answer
    x = 20,674.83

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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.