Home / 20,254.74-27,950.88-11,055.94

Finding the Fourth Proportional to 20,254.74, 27,950.88 and 11,055.94

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Solution

The fourth proportional to 20,254.74, 27,950.88 and 11,055.94 is: 15,256.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.74 : 27,950.88 = 11,055.94 : x
  2. Step 2: Convert to fraction form
    20,254.74/27,950.88 = 11,055.94/x
  3. Step 3: Cross multiply
    20,254.74x = 27,950.88 × 11,055.94
  4. Step 4: Simplify right side
    20,254.74x = 309,023,252.23
  5. Step 5: Solve for x
    x = 309,023,252.23/20,254.74
  6. Step 6: Final answer
    x = 15,256.84

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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.