Home / 20,254.01-27,950.48-11,301.42

Finding the Fourth Proportional to 20,254.01, 27,950.48 and 11,301.42

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Solution

The fourth proportional to 20,254.01, 27,950.48 and 11,301.42 is: 15,595.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.01 : 27,950.48 = 11,301.42 : x
  2. Step 2: Convert to fraction form
    20,254.01/27,950.48 = 11,301.42/x
  3. Step 3: Cross multiply
    20,254.01x = 27,950.48 × 11,301.42
  4. Step 4: Simplify right side
    20,254.01x = 315,880,113.68
  5. Step 5: Solve for x
    x = 315,880,113.68/20,254.01
  6. Step 6: Final answer
    x = 15,595.93

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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.