Home / 20,011.41-27,615.35-11,058.72

Finding the Fourth Proportional to 20,011.41, 27,615.35 and 11,058.72

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Solution

The fourth proportional to 20,011.41, 27,615.35 and 11,058.72 is: 15,260.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,011.41 : 27,615.35 = 11,058.72 : x
  2. Step 2: Convert to fraction form
    20,011.41/27,615.35 = 11,058.72/x
  3. Step 3: Cross multiply
    20,011.41x = 27,615.35 × 11,058.72
  4. Step 4: Simplify right side
    20,011.41x = 305,390,423.35
  5. Step 5: Solve for x
    x = 305,390,423.35/20,011.41
  6. Step 6: Final answer
    x = 15,260.81

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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.