Home / 23,971.28-33,080.49-13,905.72

Finding the Fourth Proportional to 23,971.28, 33,080.49 and 13,905.72

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Solution

The fourth proportional to 23,971.28, 33,080.49 and 13,905.72 is: 19,189.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,971.28 : 33,080.49 = 13,905.72 : x
  2. Step 2: Convert to fraction form
    23,971.28/33,080.49 = 13,905.72/x
  3. Step 3: Cross multiply
    23,971.28x = 33,080.49 × 13,905.72
  4. Step 4: Simplify right side
    23,971.28x = 460,008,031.40
  5. Step 5: Solve for x
    x = 460,008,031.40/23,971.28
  6. Step 6: Final answer
    x = 19,189.97

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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.